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Theorem rlocaddval 33709
Description: Value of the addition in the ring localization, given two representatives. (Contributed by Thierry Arnoux, 4-May-2025.)
Hypotheses
Ref Expression
rlocaddval.1 𝐵 = (Base‘𝑅)
rlocaddval.2 · = (.r𝑅)
rlocaddval.3 + = (+g𝑅)
rlocaddval.4 𝐿 = (𝑅 RLocal 𝑆)
rlocaddval.5 = (𝑅 ~RL 𝑆)
rlocaddval.r (𝜑𝑅 ∈ CRing)
rlocaddval.s (𝜑𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)))
rlocaddval.6 (𝜑𝐸𝐵)
rlocaddval.7 (𝜑𝐹𝐵)
rlocaddval.8 (𝜑𝐺𝑆)
rlocaddval.9 (𝜑𝐻𝑆)
rlocaddval.10 = (+g𝐿)
Assertion
Ref Expression
rlocaddval (𝜑 → ([⟨𝐸, 𝐺⟩] [⟨𝐹, 𝐻⟩] ) = [⟨((𝐸 · 𝐻) + (𝐹 · 𝐺)), (𝐺 · 𝐻)⟩] )

Proof of Theorem rlocaddval
Dummy variables 𝑝 𝑞 𝑢 𝑣 𝑎 𝑏 𝑓 𝑔 𝑘 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 rlocaddval.6 . . . 4 (𝜑𝐸𝐵)
2 rlocaddval.8 . . . 4 (𝜑𝐺𝑆)
31, 2opelxpd 5694 . . 3 (𝜑 → ⟨𝐸, 𝐺⟩ ∈ (𝐵 × 𝑆))
4 rlocaddval.7 . . . 4 (𝜑𝐹𝐵)
5 rlocaddval.9 . . . 4 (𝜑𝐻𝑆)
64, 5opelxpd 5694 . . 3 (𝜑 → ⟨𝐹, 𝐻⟩ ∈ (𝐵 × 𝑆))
7 rlocaddval.4 . . . . 5 𝐿 = (𝑅 RLocal 𝑆)
8 rlocaddval.1 . . . . . 6 𝐵 = (Base‘𝑅)
9 eqid 2760 . . . . . 6 (0g𝑅) = (0g𝑅)
10 rlocaddval.2 . . . . . 6 · = (.r𝑅)
11 eqid 2760 . . . . . 6 (-g𝑅) = (-g𝑅)
12 rlocaddval.3 . . . . . 6 + = (+g𝑅)
13 eqid 2760 . . . . . 6 (le‘𝑅) = (le‘𝑅)
14 eqid 2760 . . . . . 6 (Scalar‘𝑅) = (Scalar‘𝑅)
15 eqid 2760 . . . . . 6 (Base‘(Scalar‘𝑅)) = (Base‘(Scalar‘𝑅))
16 eqid 2760 . . . . . 6 ( ·𝑠𝑅) = ( ·𝑠𝑅)
17 eqid 2760 . . . . . 6 (𝐵 × 𝑆) = (𝐵 × 𝑆)
18 rlocaddval.5 . . . . . 6 = (𝑅 ~RL 𝑆)
19 eqid 2760 . . . . . 6 (TopSet‘𝑅) = (TopSet‘𝑅)
20 eqid 2760 . . . . . 6 (dist‘𝑅) = (dist‘𝑅)
21 eqid 2760 . . . . . 6 (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩) = (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)
22 eqid 2760 . . . . . 6 (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩) = (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)
23 eqid 2760 . . . . . 6 (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩) = (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)
24 eqid 2760 . . . . . 6 {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))} = {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}
25 eqid 2760 . . . . . 6 (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎)))) = (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))
26 rlocaddval.r . . . . . 6 (𝜑𝑅 ∈ CRing)
27 rlocaddval.s . . . . . . 7 (𝜑𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)))
28 eqid 2760 . . . . . . . . 9 (mulGrp‘𝑅) = (mulGrp‘𝑅)
2928, 8mgpbas 20278 . . . . . . . 8 𝐵 = (Base‘(mulGrp‘𝑅))
3029submss 18917 . . . . . . 7 (𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)) → 𝑆𝐵)
3127, 30syl 18 . . . . . 6 (𝜑𝑆𝐵)
328, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 31rlocval 33699 . . . . 5 (𝜑 → (𝑅 RLocal 𝑆) = ((({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}) /s ))
337, 32eqtrid 2807 . . . 4 (𝜑𝐿 = ((({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}) /s ))
34 eqidd 2761 . . . . . 6 (𝜑 → (({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}) = (({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))
35 eqid 2760 . . . . . . 7 (({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}) = (({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩})
3635imasvalstr 17536 . . . . . 6 (({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}) Struct ⟨1, 12⟩
37 baseid 17304 . . . . . 6 Base = Slot (Base‘ndx)
38 snsstp1 4777 . . . . . . 7 {⟨(Base‘ndx), (𝐵 × 𝑆)⟩} ⊆ {⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩}
39 ssun1 4124 . . . . . . . 8 {⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ⊆ ({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩})
40 ssun1 4124 . . . . . . . 8 ({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ⊆ (({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩})
4139, 40sstri 3940 . . . . . . 7 {⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ⊆ (({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩})
4238, 41sstri 3940 . . . . . 6 {⟨(Base‘ndx), (𝐵 × 𝑆)⟩} ⊆ (({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩})
438fvexi 6892 . . . . . . . 8 𝐵 ∈ V
4443a1i 11 . . . . . . 7 (𝜑𝐵 ∈ V)
4544, 27xpexd 7750 . . . . . 6 (𝜑 → (𝐵 × 𝑆) ∈ V)
46 eqid 2760 . . . . . 6 (Base‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩})) = (Base‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))
4734, 36, 37, 42, 45, 46strfv3 17296 . . . . 5 (𝜑 → (Base‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩})) = (𝐵 × 𝑆))
4847eqcomd 2766 . . . 4 (𝜑 → (𝐵 × 𝑆) = (Base‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩})))
49 eqid 2760 . . . . 5 (1r𝑅) = (1r𝑅)
508, 9, 49, 10, 11, 17, 18, 26, 27erler 33705 . . . 4 (𝜑 Er (𝐵 × 𝑆))
51 tpex 7747 . . . . . . 7 {⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∈ V
52 tpex 7747 . . . . . . 7 {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩} ∈ V
5351, 52unex 7746 . . . . . 6 ({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∈ V
54 tpex 7747 . . . . . 6 {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩} ∈ V
5553, 54unex 7746 . . . . 5 (({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}) ∈ V
5655a1i 11 . . . 4 (𝜑 → (({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}) ∈ V)
5731ad2antrr 739 . . . . . . . . . . . 12 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → 𝑆𝐵)
5857ad2antrr 739 . . . . . . . . . . 11 (((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) → 𝑆𝐵)
5958ad2antrr 739 . . . . . . . . . 10 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑆𝐵)
60 eqidd 2761 . . . . . . . . . 10 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩ = ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩)
61 eqidd 2761 . . . . . . . . . 10 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩ = ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩)
6226crnggrpd 20386 . . . . . . . . . . . 12 (𝜑𝑅 ∈ Grp)
6362ad6antr 749 . . . . . . . . . . 11 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑅 ∈ Grp)
6426crngringd 20385 . . . . . . . . . . . . 13 (𝜑𝑅 ∈ Ring)
6564ad6antr 749 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑅 ∈ Ring)
66 simplr 781 . . . . . . . . . . . . . . 15 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → 𝑢 𝑝)
678, 18, 57, 66erlcl1 33700 . . . . . . . . . . . . . 14 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → 𝑢 ∈ (𝐵 × 𝑆))
6867ad4antr 745 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑢 ∈ (𝐵 × 𝑆))
69 xp1st 8018 . . . . . . . . . . . . 13 (𝑢 ∈ (𝐵 × 𝑆) → (1st𝑢) ∈ 𝐵)
7068, 69syl 18 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (1st𝑢) ∈ 𝐵)
71 simpr 490 . . . . . . . . . . . . . . . 16 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → 𝑣 𝑞)
728, 18, 57, 71erlcl1 33700 . . . . . . . . . . . . . . 15 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → 𝑣 ∈ (𝐵 × 𝑆))
7372ad4antr 745 . . . . . . . . . . . . . 14 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑣 ∈ (𝐵 × 𝑆))
74 xp2nd 8019 . . . . . . . . . . . . . 14 (𝑣 ∈ (𝐵 × 𝑆) → (2nd𝑣) ∈ 𝑆)
7573, 74syl 18 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (2nd𝑣) ∈ 𝑆)
7659, 75sseldd 3932 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (2nd𝑣) ∈ 𝐵)
778, 10, 65, 70, 76ringcld 20396 . . . . . . . . . . 11 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((1st𝑢) · (2nd𝑣)) ∈ 𝐵)
78 xp1st 8018 . . . . . . . . . . . . 13 (𝑣 ∈ (𝐵 × 𝑆) → (1st𝑣) ∈ 𝐵)
7973, 78syl 18 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (1st𝑣) ∈ 𝐵)
80 xp2nd 8019 . . . . . . . . . . . . . 14 (𝑢 ∈ (𝐵 × 𝑆) → (2nd𝑢) ∈ 𝑆)
8168, 80syl 18 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (2nd𝑢) ∈ 𝑆)
8259, 81sseldd 3932 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (2nd𝑢) ∈ 𝐵)
838, 10, 65, 79, 82ringcld 20396 . . . . . . . . . . 11 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((1st𝑣) · (2nd𝑢)) ∈ 𝐵)
848, 12, 63, 77, 83grpcld 19071 . . . . . . . . . 10 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))) ∈ 𝐵)
858, 18, 57, 66erlcl2 33701 . . . . . . . . . . . . . 14 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → 𝑝 ∈ (𝐵 × 𝑆))
8685ad4antr 745 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑝 ∈ (𝐵 × 𝑆))
87 xp1st 8018 . . . . . . . . . . . . 13 (𝑝 ∈ (𝐵 × 𝑆) → (1st𝑝) ∈ 𝐵)
8886, 87syl 18 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (1st𝑝) ∈ 𝐵)
898, 18, 57, 71erlcl2 33701 . . . . . . . . . . . . . . 15 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → 𝑞 ∈ (𝐵 × 𝑆))
9089ad4antr 745 . . . . . . . . . . . . . 14 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑞 ∈ (𝐵 × 𝑆))
91 xp2nd 8019 . . . . . . . . . . . . . 14 (𝑞 ∈ (𝐵 × 𝑆) → (2nd𝑞) ∈ 𝑆)
9290, 91syl 18 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (2nd𝑞) ∈ 𝑆)
9359, 92sseldd 3932 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (2nd𝑞) ∈ 𝐵)
948, 10, 65, 88, 93ringcld 20396 . . . . . . . . . . 11 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((1st𝑝) · (2nd𝑞)) ∈ 𝐵)
95 xp1st 8018 . . . . . . . . . . . . 13 (𝑞 ∈ (𝐵 × 𝑆) → (1st𝑞) ∈ 𝐵)
9690, 95syl 18 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (1st𝑞) ∈ 𝐵)
97 xp2nd 8019 . . . . . . . . . . . . . 14 (𝑝 ∈ (𝐵 × 𝑆) → (2nd𝑝) ∈ 𝑆)
9886, 97syl 18 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (2nd𝑝) ∈ 𝑆)
9959, 98sseldd 3932 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (2nd𝑝) ∈ 𝐵)
1008, 10, 65, 96, 99ringcld 20396 . . . . . . . . . . 11 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((1st𝑞) · (2nd𝑝)) ∈ 𝐵)
1018, 12, 63, 94, 100grpcld 19071 . . . . . . . . . 10 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))) ∈ 𝐵)
10227ad6antr 749 . . . . . . . . . . 11 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)))
10328, 10mgpplusg 20277 . . . . . . . . . . . 12 · = (+g‘(mulGrp‘𝑅))
104103submcl 18920 . . . . . . . . . . 11 ((𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)) ∧ (2nd𝑢) ∈ 𝑆 ∧ (2nd𝑣) ∈ 𝑆) → ((2nd𝑢) · (2nd𝑣)) ∈ 𝑆)
105102, 81, 75, 104syl3anc 1398 . . . . . . . . . 10 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((2nd𝑢) · (2nd𝑣)) ∈ 𝑆)
106103submcl 18920 . . . . . . . . . . 11 ((𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)) ∧ (2nd𝑝) ∈ 𝑆 ∧ (2nd𝑞) ∈ 𝑆) → ((2nd𝑝) · (2nd𝑞)) ∈ 𝑆)
107102, 98, 92, 106syl3anc 1398 . . . . . . . . . 10 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((2nd𝑝) · (2nd𝑞)) ∈ 𝑆)
108 simp-4r 796 . . . . . . . . . . 11 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑓𝑆)
109 simplr 781 . . . . . . . . . . 11 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑔𝑆)
110103submcl 18920 . . . . . . . . . . 11 ((𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)) ∧ 𝑓𝑆𝑔𝑆) → (𝑓 · 𝑔) ∈ 𝑆)
111102, 108, 109, 110syl3anc 1398 . . . . . . . . . 10 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑓 · 𝑔) ∈ 𝑆)
11259, 107sseldd 3932 . . . . . . . . . . . . . 14 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((2nd𝑝) · (2nd𝑞)) ∈ 𝐵)
1138, 12, 10ringdir 20402 . . . . . . . . . . . . . 14 ((𝑅 ∈ Ring ∧ (((1st𝑢) · (2nd𝑣)) ∈ 𝐵 ∧ ((1st𝑣) · (2nd𝑢)) ∈ 𝐵 ∧ ((2nd𝑝) · (2nd𝑞)) ∈ 𝐵)) → ((((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))) · ((2nd𝑝) · (2nd𝑞))) = ((((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) + (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))))
11465, 77, 83, 112, 113syl13anc 1399 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))) · ((2nd𝑝) · (2nd𝑞))) = ((((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) + (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))))
11559, 105sseldd 3932 . . . . . . . . . . . . . 14 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((2nd𝑢) · (2nd𝑣)) ∈ 𝐵)
1168, 12, 10ringdir 20402 . . . . . . . . . . . . . 14 ((𝑅 ∈ Ring ∧ (((1st𝑝) · (2nd𝑞)) ∈ 𝐵 ∧ ((1st𝑞) · (2nd𝑝)) ∈ 𝐵 ∧ ((2nd𝑢) · (2nd𝑣)) ∈ 𝐵)) → ((((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))) · ((2nd𝑢) · (2nd𝑣))) = ((((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) + (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))
11765, 94, 100, 115, 116syl13anc 1399 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))) · ((2nd𝑢) · (2nd𝑣))) = ((((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) + (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))
118114, 117oveq12d 7431 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))) · ((2nd𝑝) · (2nd𝑞)))(-g𝑅)((((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))) · ((2nd𝑢) · (2nd𝑣)))) = (((((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) + (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) + (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣))))))
119118oveq2d 7429 . . . . . . . . . . 11 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))) · ((2nd𝑝) · (2nd𝑞)))(-g𝑅)((((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))) · ((2nd𝑢) · (2nd𝑣))))) = ((𝑓 · 𝑔) · (((((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) + (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) + (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))))
12059, 108sseldd 3932 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑓𝐵)
12159, 109sseldd 3932 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑔𝐵)
1228, 10, 65, 120, 121ringcld 20396 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑓 · 𝑔) ∈ 𝐵)
1238, 10, 65, 77, 112ringcld 20396 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) ∈ 𝐵)
1248, 10, 65, 83, 112ringcld 20396 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))) ∈ 𝐵)
1258, 12, 63, 123, 124grpcld 19071 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) + (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))) ∈ 𝐵)
1268, 10, 65, 94, 115ringcld 20396 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) ∈ 𝐵)
1278, 10, 65, 100, 115ringcld 20396 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣))) ∈ 𝐵)
1288, 12, 63, 126, 127grpcld 19071 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) + (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))) ∈ 𝐵)
1298, 10, 11, 65, 122, 125, 128ringsubdi 20449 . . . . . . . . . . 11 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) + (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) + (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))) = (((𝑓 · 𝑔) · ((((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) + (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))))(-g𝑅)((𝑓 · 𝑔) · ((((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) + (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))))
1308, 12, 10ringdi 20401 . . . . . . . . . . . . . 14 ((𝑅 ∈ Ring ∧ ((𝑓 · 𝑔) ∈ 𝐵 ∧ (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) ∈ 𝐵 ∧ (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))) ∈ 𝐵)) → ((𝑓 · 𝑔) · ((((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) + (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))) = (((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞)))) + ((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))))
13165, 122, 123, 124, 130syl13anc 1399 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · ((((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) + (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))) = (((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞)))) + ((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))))
1328, 12, 10ringdi 20401 . . . . . . . . . . . . . 14 ((𝑅 ∈ Ring ∧ ((𝑓 · 𝑔) ∈ 𝐵 ∧ (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) ∈ 𝐵 ∧ (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣))) ∈ 𝐵)) → ((𝑓 · 𝑔) · ((((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) + (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣))))) = (((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣)))) + ((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣))))))
13365, 122, 126, 127, 132syl13anc 1399 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · ((((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) + (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣))))) = (((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣)))) + ((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣))))))
134131, 133oveq12d 7431 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((𝑓 · 𝑔) · ((((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) + (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))))(-g𝑅)((𝑓 · 𝑔) · ((((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) + (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))) = ((((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞)))) + ((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))))(-g𝑅)(((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣)))) + ((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))))
13565ringabld 20424 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → 𝑅 ∈ Abel)
1368, 10, 65, 122, 123ringcld 20396 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞)))) ∈ 𝐵)
1378, 10, 65, 122, 124ringcld 20396 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))) ∈ 𝐵)
1388, 10, 65, 122, 126ringcld 20396 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣)))) ∈ 𝐵)
1398, 10, 65, 122, 127ringcld 20396 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))) ∈ 𝐵)
1408, 12, 11ablsub4 19937 . . . . . . . . . . . . 13 ((𝑅 ∈ Abel ∧ (((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞)))) ∈ 𝐵 ∧ ((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))) ∈ 𝐵) ∧ (((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣)))) ∈ 𝐵 ∧ ((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))) ∈ 𝐵)) → ((((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞)))) + ((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))))(-g𝑅)(((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣)))) + ((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))) = ((((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))))) + (((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))))
141135, 136, 137, 138, 139, 140syl122anc 1406 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞)))) + ((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))))(-g𝑅)(((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣)))) + ((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))) = ((((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))))) + (((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))))
14228crngmgp 20380 . . . . . . . . . . . . . . . . . . 19 (𝑅 ∈ CRing → (mulGrp‘𝑅) ∈ CMnd)
14326, 142syl 18 . . . . . . . . . . . . . . . . . 18 (𝜑 → (mulGrp‘𝑅) ∈ CMnd)
144143ad6antr 749 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (mulGrp‘𝑅) ∈ CMnd)
14529, 103, 144, 120, 121, 70, 76, 99, 93cmn246135 33473 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞)))) = ((𝑔 · ((2nd𝑣) · (2nd𝑞))) · (𝑓 · ((1st𝑢) · (2nd𝑝)))))
14629, 103, 144, 120, 121, 88, 93, 82, 76cmn246135 33473 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣)))) = ((𝑔 · ((2nd𝑞) · (2nd𝑣))) · (𝑓 · ((1st𝑝) · (2nd𝑢)))))
14729, 103cmncom 19925 . . . . . . . . . . . . . . . . . . . 20 (((mulGrp‘𝑅) ∈ CMnd ∧ (2nd𝑣) ∈ 𝐵 ∧ (2nd𝑞) ∈ 𝐵) → ((2nd𝑣) · (2nd𝑞)) = ((2nd𝑞) · (2nd𝑣)))
148144, 76, 93, 147syl3anc 1398 . . . . . . . . . . . . . . . . . . 19 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((2nd𝑣) · (2nd𝑞)) = ((2nd𝑞) · (2nd𝑣)))
149148oveq2d 7429 . . . . . . . . . . . . . . . . . 18 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑔 · ((2nd𝑣) · (2nd𝑞))) = (𝑔 · ((2nd𝑞) · (2nd𝑣))))
150149oveq1d 7428 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑔 · ((2nd𝑣) · (2nd𝑞))) · (𝑓 · ((1st𝑝) · (2nd𝑢)))) = ((𝑔 · ((2nd𝑞) · (2nd𝑣))) · (𝑓 · ((1st𝑝) · (2nd𝑢)))))
151146, 150eqtr4d 2798 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣)))) = ((𝑔 · ((2nd𝑣) · (2nd𝑞))) · (𝑓 · ((1st𝑝) · (2nd𝑢)))))
152145, 151oveq12d 7431 . . . . . . . . . . . . . . 15 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))))) = (((𝑔 · ((2nd𝑣) · (2nd𝑞))) · (𝑓 · ((1st𝑢) · (2nd𝑝))))(-g𝑅)((𝑔 · ((2nd𝑣) · (2nd𝑞))) · (𝑓 · ((1st𝑝) · (2nd𝑢))))))
1538, 10, 65, 70, 99ringcld 20396 . . . . . . . . . . . . . . . . . . 19 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((1st𝑢) · (2nd𝑝)) ∈ 𝐵)
1548, 10, 65, 88, 82ringcld 20396 . . . . . . . . . . . . . . . . . . 19 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((1st𝑝) · (2nd𝑢)) ∈ 𝐵)
1558, 10, 11, 65, 120, 153, 154ringsubdi 20449 . . . . . . . . . . . . . . . . . 18 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = ((𝑓 · ((1st𝑢) · (2nd𝑝)))(-g𝑅)(𝑓 · ((1st𝑝) · (2nd𝑢)))))
156 simpllr 788 . . . . . . . . . . . . . . . . . 18 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅))
157155, 156eqtr3d 2797 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · ((1st𝑢) · (2nd𝑝)))(-g𝑅)(𝑓 · ((1st𝑝) · (2nd𝑢)))) = (0g𝑅))
158157oveq2d 7429 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑔 · ((2nd𝑣) · (2nd𝑞))) · ((𝑓 · ((1st𝑢) · (2nd𝑝)))(-g𝑅)(𝑓 · ((1st𝑝) · (2nd𝑢))))) = ((𝑔 · ((2nd𝑣) · (2nd𝑞))) · (0g𝑅)))
1598, 10, 65, 76, 93ringcld 20396 . . . . . . . . . . . . . . . . . 18 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((2nd𝑣) · (2nd𝑞)) ∈ 𝐵)
1608, 10, 65, 121, 159ringcld 20396 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑔 · ((2nd𝑣) · (2nd𝑞))) ∈ 𝐵)
1618, 10, 65, 120, 153ringcld 20396 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑓 · ((1st𝑢) · (2nd𝑝))) ∈ 𝐵)
1628, 10, 65, 120, 154ringcld 20396 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑓 · ((1st𝑝) · (2nd𝑢))) ∈ 𝐵)
1638, 10, 11, 65, 160, 161, 162ringsubdi 20449 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑔 · ((2nd𝑣) · (2nd𝑞))) · ((𝑓 · ((1st𝑢) · (2nd𝑝)))(-g𝑅)(𝑓 · ((1st𝑝) · (2nd𝑢))))) = (((𝑔 · ((2nd𝑣) · (2nd𝑞))) · (𝑓 · ((1st𝑢) · (2nd𝑝))))(-g𝑅)((𝑔 · ((2nd𝑣) · (2nd𝑞))) · (𝑓 · ((1st𝑝) · (2nd𝑢))))))
1648, 10, 9, 65, 160ringrzd 20438 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑔 · ((2nd𝑣) · (2nd𝑞))) · (0g𝑅)) = (0g𝑅))
165158, 163, 1643eqtr3d 2803 . . . . . . . . . . . . . . 15 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((𝑔 · ((2nd𝑣) · (2nd𝑞))) · (𝑓 · ((1st𝑢) · (2nd𝑝))))(-g𝑅)((𝑔 · ((2nd𝑣) · (2nd𝑞))) · (𝑓 · ((1st𝑝) · (2nd𝑢))))) = (0g𝑅))
166152, 165eqtrd 2795 . . . . . . . . . . . . . 14 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))))) = (0g𝑅))
16729, 103, 144, 120, 121, 79, 82, 99, 93cmn145236 33474 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))) = ((𝑓 · ((2nd𝑢) · (2nd𝑝))) · (𝑔 · ((1st𝑣) · (2nd𝑞)))))
16829, 103, 144, 120, 121, 96, 99, 82, 76cmn145236 33474 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))) = ((𝑓 · ((2nd𝑝) · (2nd𝑢))) · (𝑔 · ((1st𝑞) · (2nd𝑣)))))
16929, 103cmncom 19925 . . . . . . . . . . . . . . . . . . . 20 (((mulGrp‘𝑅) ∈ CMnd ∧ (2nd𝑝) ∈ 𝐵 ∧ (2nd𝑢) ∈ 𝐵) → ((2nd𝑝) · (2nd𝑢)) = ((2nd𝑢) · (2nd𝑝)))
170144, 99, 82, 169syl3anc 1398 . . . . . . . . . . . . . . . . . . 19 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((2nd𝑝) · (2nd𝑢)) = ((2nd𝑢) · (2nd𝑝)))
171170oveq2d 7429 . . . . . . . . . . . . . . . . . 18 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑓 · ((2nd𝑝) · (2nd𝑢))) = (𝑓 · ((2nd𝑢) · (2nd𝑝))))
172171oveq1d 7428 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · ((2nd𝑝) · (2nd𝑢))) · (𝑔 · ((1st𝑞) · (2nd𝑣)))) = ((𝑓 · ((2nd𝑢) · (2nd𝑝))) · (𝑔 · ((1st𝑞) · (2nd𝑣)))))
173168, 172eqtrd 2795 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))) = ((𝑓 · ((2nd𝑢) · (2nd𝑝))) · (𝑔 · ((1st𝑞) · (2nd𝑣)))))
174167, 173oveq12d 7431 . . . . . . . . . . . . . . 15 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣))))) = (((𝑓 · ((2nd𝑢) · (2nd𝑝))) · (𝑔 · ((1st𝑣) · (2nd𝑞))))(-g𝑅)((𝑓 · ((2nd𝑢) · (2nd𝑝))) · (𝑔 · ((1st𝑞) · (2nd𝑣))))))
1758, 10, 65, 79, 93ringcld 20396 . . . . . . . . . . . . . . . . . . 19 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((1st𝑣) · (2nd𝑞)) ∈ 𝐵)
1768, 10, 65, 96, 76ringcld 20396 . . . . . . . . . . . . . . . . . . 19 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((1st𝑞) · (2nd𝑣)) ∈ 𝐵)
1778, 10, 11, 65, 121, 175, 176ringsubdi 20449 . . . . . . . . . . . . . . . . . 18 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = ((𝑔 · ((1st𝑣) · (2nd𝑞)))(-g𝑅)(𝑔 · ((1st𝑞) · (2nd𝑣)))))
178 simpr 490 . . . . . . . . . . . . . . . . . 18 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅))
179177, 178eqtr3d 2797 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑔 · ((1st𝑣) · (2nd𝑞)))(-g𝑅)(𝑔 · ((1st𝑞) · (2nd𝑣)))) = (0g𝑅))
180179oveq2d 7429 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · ((2nd𝑢) · (2nd𝑝))) · ((𝑔 · ((1st𝑣) · (2nd𝑞)))(-g𝑅)(𝑔 · ((1st𝑞) · (2nd𝑣))))) = ((𝑓 · ((2nd𝑢) · (2nd𝑝))) · (0g𝑅)))
1818, 10, 65, 82, 99ringcld 20396 . . . . . . . . . . . . . . . . . 18 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((2nd𝑢) · (2nd𝑝)) ∈ 𝐵)
1828, 10, 65, 120, 181ringcld 20396 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑓 · ((2nd𝑢) · (2nd𝑝))) ∈ 𝐵)
1838, 10, 65, 121, 175ringcld 20396 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑔 · ((1st𝑣) · (2nd𝑞))) ∈ 𝐵)
1848, 10, 65, 121, 176ringcld 20396 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (𝑔 · ((1st𝑞) · (2nd𝑣))) ∈ 𝐵)
1858, 10, 11, 65, 182, 183, 184ringsubdi 20449 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · ((2nd𝑢) · (2nd𝑝))) · ((𝑔 · ((1st𝑣) · (2nd𝑞)))(-g𝑅)(𝑔 · ((1st𝑞) · (2nd𝑣))))) = (((𝑓 · ((2nd𝑢) · (2nd𝑝))) · (𝑔 · ((1st𝑣) · (2nd𝑞))))(-g𝑅)((𝑓 · ((2nd𝑢) · (2nd𝑝))) · (𝑔 · ((1st𝑞) · (2nd𝑣))))))
1868, 10, 9, 65, 182ringrzd 20438 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · ((2nd𝑢) · (2nd𝑝))) · (0g𝑅)) = (0g𝑅))
187180, 185, 1863eqtr3d 2803 . . . . . . . . . . . . . . 15 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((𝑓 · ((2nd𝑢) · (2nd𝑝))) · (𝑔 · ((1st𝑣) · (2nd𝑞))))(-g𝑅)((𝑓 · ((2nd𝑢) · (2nd𝑝))) · (𝑔 · ((1st𝑞) · (2nd𝑣))))) = (0g𝑅))
188174, 187eqtrd 2795 . . . . . . . . . . . . . 14 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣))))) = (0g𝑅))
189166, 188oveq12d 7431 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))))) + (((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))) = ((0g𝑅) + (0g𝑅)))
1908, 9grpidcl 19089 . . . . . . . . . . . . . . 15 (𝑅 ∈ Grp → (0g𝑅) ∈ 𝐵)
19163, 190syl 18 . . . . . . . . . . . . . 14 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (0g𝑅) ∈ 𝐵)
1928, 12, 9, 63, 191grplidd 19093 . . . . . . . . . . . . 13 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((0g𝑅) + (0g𝑅)) = (0g𝑅))
193189, 192eqtrd 2795 . . . . . . . . . . . 12 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((((𝑓 · 𝑔) · (((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))))) + (((𝑓 · 𝑔) · (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞))))(-g𝑅)((𝑓 · 𝑔) · (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))) = (0g𝑅))
194134, 141, 1933eqtrd 2799 . . . . . . . . . . 11 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → (((𝑓 · 𝑔) · ((((1st𝑢) · (2nd𝑣)) · ((2nd𝑝) · (2nd𝑞))) + (((1st𝑣) · (2nd𝑢)) · ((2nd𝑝) · (2nd𝑞)))))(-g𝑅)((𝑓 · 𝑔) · ((((1st𝑝) · (2nd𝑞)) · ((2nd𝑢) · (2nd𝑣))) + (((1st𝑞) · (2nd𝑝)) · ((2nd𝑢) · (2nd𝑣)))))) = (0g𝑅))
195119, 129, 1943eqtrd 2799 . . . . . . . . . 10 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ((𝑓 · 𝑔) · (((((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))) · ((2nd𝑝) · (2nd𝑞)))(-g𝑅)((((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))) · ((2nd𝑢) · (2nd𝑣))))) = (0g𝑅))
1968, 18, 59, 9, 10, 11, 60, 61, 84, 101, 105, 107, 111, 195erlbrd 33703 . . . . . . . . 9 (((((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) ∧ 𝑔𝑆) ∧ (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅)) → ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩ ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩)
19771ad2antrr 739 . . . . . . . . . 10 (((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) → 𝑣 𝑞)
1988, 18, 58, 9, 10, 11, 197erldi 33702 . . . . . . . . 9 (((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) → ∃𝑔𝑆 (𝑔 · (((1st𝑣) · (2nd𝑞))(-g𝑅)((1st𝑞) · (2nd𝑣)))) = (0g𝑅))
199196, 198r19.29a 3170 . . . . . . . 8 (((((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) ∧ 𝑓𝑆) ∧ (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅)) → ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩ ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩)
2008, 18, 57, 9, 10, 11, 66erldi 33702 . . . . . . . 8 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → ∃𝑓𝑆 (𝑓 · (((1st𝑢) · (2nd𝑝))(-g𝑅)((1st𝑝) · (2nd𝑢)))) = (0g𝑅))
201199, 200r19.29a 3170 . . . . . . 7 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩ ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩)
202 plusgid 17369 . . . . . . . . . . . 12 +g = Slot (+g‘ndx)
203 snsstp2 4778 . . . . . . . . . . . . 13 {⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ⊆ {⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩}
204203, 41sstri 3940 . . . . . . . . . . . 12 {⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ⊆ (({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩})
20521mpoexg 8075 . . . . . . . . . . . . 13 (((𝐵 × 𝑆) ∈ V ∧ (𝐵 × 𝑆) ∈ V) → (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩) ∈ V)
20645, 45, 205syl2anc 596 . . . . . . . . . . . 12 (𝜑 → (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩) ∈ V)
207 eqid 2760 . . . . . . . . . . . 12 (+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩})) = (+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))
20834, 36, 202, 204, 206, 207strfv3 17296 . . . . . . . . . . 11 (𝜑 → (+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩})) = (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩))
209208ad2antrr 739 . . . . . . . . . 10 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → (+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩})) = (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩))
210209oveqd 7430 . . . . . . . . 9 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → (𝑢(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑣) = (𝑢(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)𝑣))
211 opex 5439 . . . . . . . . . . 11 ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩ ∈ V
212211a1i 11 . . . . . . . . . 10 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩ ∈ V)
213 simpl 488 . . . . . . . . . . . . . . 15 ((𝑎 = 𝑢𝑏 = 𝑣) → 𝑎 = 𝑢)
214213fveq2d 6882 . . . . . . . . . . . . . 14 ((𝑎 = 𝑢𝑏 = 𝑣) → (1st𝑎) = (1st𝑢))
215 simpr 490 . . . . . . . . . . . . . . 15 ((𝑎 = 𝑢𝑏 = 𝑣) → 𝑏 = 𝑣)
216215fveq2d 6882 . . . . . . . . . . . . . 14 ((𝑎 = 𝑢𝑏 = 𝑣) → (2nd𝑏) = (2nd𝑣))
217214, 216oveq12d 7431 . . . . . . . . . . . . 13 ((𝑎 = 𝑢𝑏 = 𝑣) → ((1st𝑎) · (2nd𝑏)) = ((1st𝑢) · (2nd𝑣)))
218215fveq2d 6882 . . . . . . . . . . . . . 14 ((𝑎 = 𝑢𝑏 = 𝑣) → (1st𝑏) = (1st𝑣))
219213fveq2d 6882 . . . . . . . . . . . . . 14 ((𝑎 = 𝑢𝑏 = 𝑣) → (2nd𝑎) = (2nd𝑢))
220218, 219oveq12d 7431 . . . . . . . . . . . . 13 ((𝑎 = 𝑢𝑏 = 𝑣) → ((1st𝑏) · (2nd𝑎)) = ((1st𝑣) · (2nd𝑢)))
221217, 220oveq12d 7431 . . . . . . . . . . . 12 ((𝑎 = 𝑢𝑏 = 𝑣) → (((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))) = (((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))))
222219, 216oveq12d 7431 . . . . . . . . . . . 12 ((𝑎 = 𝑢𝑏 = 𝑣) → ((2nd𝑎) · (2nd𝑏)) = ((2nd𝑢) · (2nd𝑣)))
223221, 222opeq12d 4841 . . . . . . . . . . 11 ((𝑎 = 𝑢𝑏 = 𝑣) → ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩ = ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩)
224223, 21ovmpoga 7567 . . . . . . . . . 10 ((𝑢 ∈ (𝐵 × 𝑆) ∧ 𝑣 ∈ (𝐵 × 𝑆) ∧ ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩ ∈ V) → (𝑢(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)𝑣) = ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩)
22567, 72, 212, 224syl3anc 1398 . . . . . . . . 9 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → (𝑢(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)𝑣) = ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩)
226210, 225eqtrd 2795 . . . . . . . 8 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → (𝑢(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑣) = ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩)
227209oveqd 7430 . . . . . . . . 9 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → (𝑝(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑞) = (𝑝(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)𝑞))
228 opex 5439 . . . . . . . . . . 11 ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩ ∈ V
229228a1i 11 . . . . . . . . . 10 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩ ∈ V)
230 simpl 488 . . . . . . . . . . . . . . 15 ((𝑎 = 𝑝𝑏 = 𝑞) → 𝑎 = 𝑝)
231230fveq2d 6882 . . . . . . . . . . . . . 14 ((𝑎 = 𝑝𝑏 = 𝑞) → (1st𝑎) = (1st𝑝))
232 simpr 490 . . . . . . . . . . . . . . 15 ((𝑎 = 𝑝𝑏 = 𝑞) → 𝑏 = 𝑞)
233232fveq2d 6882 . . . . . . . . . . . . . 14 ((𝑎 = 𝑝𝑏 = 𝑞) → (2nd𝑏) = (2nd𝑞))
234231, 233oveq12d 7431 . . . . . . . . . . . . 13 ((𝑎 = 𝑝𝑏 = 𝑞) → ((1st𝑎) · (2nd𝑏)) = ((1st𝑝) · (2nd𝑞)))
235232fveq2d 6882 . . . . . . . . . . . . . 14 ((𝑎 = 𝑝𝑏 = 𝑞) → (1st𝑏) = (1st𝑞))
236230fveq2d 6882 . . . . . . . . . . . . . 14 ((𝑎 = 𝑝𝑏 = 𝑞) → (2nd𝑎) = (2nd𝑝))
237235, 236oveq12d 7431 . . . . . . . . . . . . 13 ((𝑎 = 𝑝𝑏 = 𝑞) → ((1st𝑏) · (2nd𝑎)) = ((1st𝑞) · (2nd𝑝)))
238234, 237oveq12d 7431 . . . . . . . . . . . 12 ((𝑎 = 𝑝𝑏 = 𝑞) → (((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))) = (((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))))
239236, 233oveq12d 7431 . . . . . . . . . . . 12 ((𝑎 = 𝑝𝑏 = 𝑞) → ((2nd𝑎) · (2nd𝑏)) = ((2nd𝑝) · (2nd𝑞)))
240238, 239opeq12d 4841 . . . . . . . . . . 11 ((𝑎 = 𝑝𝑏 = 𝑞) → ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩ = ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩)
241240, 21ovmpoga 7567 . . . . . . . . . 10 ((𝑝 ∈ (𝐵 × 𝑆) ∧ 𝑞 ∈ (𝐵 × 𝑆) ∧ ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩ ∈ V) → (𝑝(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)𝑞) = ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩)
24285, 89, 229, 241syl3anc 1398 . . . . . . . . 9 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → (𝑝(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)𝑞) = ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩)
243227, 242eqtrd 2795 . . . . . . . 8 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → (𝑝(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑞) = ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩)
244226, 243breq12d 5116 . . . . . . 7 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → ((𝑢(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑣) (𝑝(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑞) ↔ ⟨(((1st𝑢) · (2nd𝑣)) + ((1st𝑣) · (2nd𝑢))), ((2nd𝑢) · (2nd𝑣))⟩ ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩))
245201, 244mpbird 260 . . . . . 6 (((𝜑𝑢 𝑝) ∧ 𝑣 𝑞) → (𝑢(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑣) (𝑝(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑞))
246245anasss 472 . . . . 5 ((𝜑 ∧ (𝑢 𝑝𝑣 𝑞)) → (𝑢(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑣) (𝑝(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑞))
247246ex 418 . . . 4 (𝜑 → ((𝑢 𝑝𝑣 𝑞) → (𝑢(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑣) (𝑝(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑞)))
248208oveqd 7430 . . . . . . 7 (𝜑 → (𝑝(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑞) = (𝑝(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)𝑞))
249248ad2antrr 739 . . . . . 6 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → (𝑝(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑞) = (𝑝(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)𝑞))
250 simplr 781 . . . . . . . 8 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → 𝑝 ∈ (𝐵 × 𝑆))
251 simpr 490 . . . . . . . 8 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → 𝑞 ∈ (𝐵 × 𝑆))
252228a1i 11 . . . . . . . 8 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩ ∈ V)
253250, 251, 252, 241syl3anc 1398 . . . . . . 7 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → (𝑝(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)𝑞) = ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩)
25462ad2antrr 739 . . . . . . . . 9 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → 𝑅 ∈ Grp)
25564ad2antrr 739 . . . . . . . . . 10 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → 𝑅 ∈ Ring)
256250, 87syl 18 . . . . . . . . . 10 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → (1st𝑝) ∈ 𝐵)
25731ad2antrr 739 . . . . . . . . . . 11 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → 𝑆𝐵)
258251, 91syl 18 . . . . . . . . . . 11 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → (2nd𝑞) ∈ 𝑆)
259257, 258sseldd 3932 . . . . . . . . . 10 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → (2nd𝑞) ∈ 𝐵)
2608, 10, 255, 256, 259ringcld 20396 . . . . . . . . 9 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → ((1st𝑝) · (2nd𝑞)) ∈ 𝐵)
261251, 95syl 18 . . . . . . . . . 10 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → (1st𝑞) ∈ 𝐵)
262250, 97syl 18 . . . . . . . . . . 11 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → (2nd𝑝) ∈ 𝑆)
263257, 262sseldd 3932 . . . . . . . . . 10 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → (2nd𝑝) ∈ 𝐵)
2648, 10, 255, 261, 263ringcld 20396 . . . . . . . . 9 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → ((1st𝑞) · (2nd𝑝)) ∈ 𝐵)
2658, 12, 254, 260, 264grpcld 19071 . . . . . . . 8 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → (((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))) ∈ 𝐵)
26627ad2antrr 739 . . . . . . . . 9 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → 𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)))
267266, 262, 258, 106syl3anc 1398 . . . . . . . 8 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → ((2nd𝑝) · (2nd𝑞)) ∈ 𝑆)
268265, 267opelxpd 5694 . . . . . . 7 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → ⟨(((1st𝑝) · (2nd𝑞)) + ((1st𝑞) · (2nd𝑝))), ((2nd𝑝) · (2nd𝑞))⟩ ∈ (𝐵 × 𝑆))
269253, 268eqeltrd 2860 . . . . . 6 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → (𝑝(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)𝑞) ∈ (𝐵 × 𝑆))
270249, 269eqeltrd 2860 . . . . 5 (((𝜑𝑝 ∈ (𝐵 × 𝑆)) ∧ 𝑞 ∈ (𝐵 × 𝑆)) → (𝑝(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑞) ∈ (𝐵 × 𝑆))
271270anasss 472 . . . 4 ((𝜑 ∧ (𝑝 ∈ (𝐵 × 𝑆) ∧ 𝑞 ∈ (𝐵 × 𝑆))) → (𝑝(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))𝑞) ∈ (𝐵 × 𝑆))
272 rlocaddval.10 . . . 4 = (+g𝐿)
27333, 48, 50, 56, 247, 271, 207, 272qusaddval 17639 . . 3 ((𝜑 ∧ ⟨𝐸, 𝐺⟩ ∈ (𝐵 × 𝑆) ∧ ⟨𝐹, 𝐻⟩ ∈ (𝐵 × 𝑆)) → ([⟨𝐸, 𝐺⟩] [⟨𝐹, 𝐻⟩] ) = [(⟨𝐸, 𝐺⟩(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))⟨𝐹, 𝐻⟩)] )
2743, 6, 273mpd3an23 1492 . 2 (𝜑 → ([⟨𝐸, 𝐺⟩] [⟨𝐹, 𝐻⟩] ) = [(⟨𝐸, 𝐺⟩(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))⟨𝐹, 𝐻⟩)] )
275208oveqd 7430 . . . 4 (𝜑 → (⟨𝐸, 𝐺⟩(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))⟨𝐹, 𝐻⟩) = (⟨𝐸, 𝐺⟩(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟨𝐹, 𝐻⟩))
27621a1i 11 . . . . 5 (𝜑 → (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩) = (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩))
277 simprl 783 . . . . . . . . . 10 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → 𝑎 = ⟨𝐸, 𝐺⟩)
278277fveq2d 6882 . . . . . . . . 9 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (1st𝑎) = (1st ‘⟨𝐸, 𝐺⟩))
2791adantr 486 . . . . . . . . . 10 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → 𝐸𝐵)
2802adantr 486 . . . . . . . . . 10 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → 𝐺𝑆)
281 op1stg 7998 . . . . . . . . . 10 ((𝐸𝐵𝐺𝑆) → (1st ‘⟨𝐸, 𝐺⟩) = 𝐸)
282279, 280, 281syl2anc 596 . . . . . . . . 9 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (1st ‘⟨𝐸, 𝐺⟩) = 𝐸)
283278, 282eqtrd 2795 . . . . . . . 8 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (1st𝑎) = 𝐸)
284 simprr 785 . . . . . . . . . 10 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → 𝑏 = ⟨𝐹, 𝐻⟩)
285284fveq2d 6882 . . . . . . . . 9 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (2nd𝑏) = (2nd ‘⟨𝐹, 𝐻⟩))
2864adantr 486 . . . . . . . . . 10 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → 𝐹𝐵)
2875adantr 486 . . . . . . . . . 10 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → 𝐻𝑆)
288 op2ndg 7999 . . . . . . . . . 10 ((𝐹𝐵𝐻𝑆) → (2nd ‘⟨𝐹, 𝐻⟩) = 𝐻)
289286, 287, 288syl2anc 596 . . . . . . . . 9 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (2nd ‘⟨𝐹, 𝐻⟩) = 𝐻)
290285, 289eqtrd 2795 . . . . . . . 8 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (2nd𝑏) = 𝐻)
291283, 290oveq12d 7431 . . . . . . 7 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → ((1st𝑎) · (2nd𝑏)) = (𝐸 · 𝐻))
292284fveq2d 6882 . . . . . . . . 9 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (1st𝑏) = (1st ‘⟨𝐹, 𝐻⟩))
293 op1stg 7998 . . . . . . . . . 10 ((𝐹𝐵𝐻𝑆) → (1st ‘⟨𝐹, 𝐻⟩) = 𝐹)
294286, 287, 293syl2anc 596 . . . . . . . . 9 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (1st ‘⟨𝐹, 𝐻⟩) = 𝐹)
295292, 294eqtrd 2795 . . . . . . . 8 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (1st𝑏) = 𝐹)
296277fveq2d 6882 . . . . . . . . 9 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (2nd𝑎) = (2nd ‘⟨𝐸, 𝐺⟩))
297 op2ndg 7999 . . . . . . . . . 10 ((𝐸𝐵𝐺𝑆) → (2nd ‘⟨𝐸, 𝐺⟩) = 𝐺)
298279, 280, 297syl2anc 596 . . . . . . . . 9 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (2nd ‘⟨𝐸, 𝐺⟩) = 𝐺)
299296, 298eqtrd 2795 . . . . . . . 8 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (2nd𝑎) = 𝐺)
300295, 299oveq12d 7431 . . . . . . 7 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → ((1st𝑏) · (2nd𝑎)) = (𝐹 · 𝐺))
301291, 300oveq12d 7431 . . . . . 6 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → (((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))) = ((𝐸 · 𝐻) + (𝐹 · 𝐺)))
302299, 290oveq12d 7431 . . . . . 6 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → ((2nd𝑎) · (2nd𝑏)) = (𝐺 · 𝐻))
303301, 302opeq12d 4841 . . . . 5 ((𝜑 ∧ (𝑎 = ⟨𝐸, 𝐺⟩ ∧ 𝑏 = ⟨𝐹, 𝐻⟩)) → ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩ = ⟨((𝐸 · 𝐻) + (𝐹 · 𝐺)), (𝐺 · 𝐻)⟩)
304 opex 5439 . . . . . 6 ⟨((𝐸 · 𝐻) + (𝐹 · 𝐺)), (𝐺 · 𝐻)⟩ ∈ V
305304a1i 11 . . . . 5 (𝜑 → ⟨((𝐸 · 𝐻) + (𝐹 · 𝐺)), (𝐺 · 𝐻)⟩ ∈ V)
306276, 303, 3, 6, 305ovmpod 7565 . . . 4 (𝜑 → (⟨𝐸, 𝐺⟩(𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟨𝐹, 𝐻⟩) = ⟨((𝐸 · 𝐻) + (𝐹 · 𝐺)), (𝐺 · 𝐻)⟩)
307275, 306eqtrd 2795 . . 3 (𝜑 → (⟨𝐸, 𝐺⟩(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))⟨𝐹, 𝐻⟩) = ⟨((𝐸 · 𝐻) + (𝐹 · 𝐺)), (𝐺 · 𝐻)⟩)
308307eceq1d 8737 . 2 (𝜑 → [(⟨𝐸, 𝐺⟩(+g‘(({⟨(Base‘ndx), (𝐵 × 𝑆)⟩, ⟨(+g‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨(((1st𝑎) · (2nd𝑏)) + ((1st𝑏) · (2nd𝑎))), ((2nd𝑎) · (2nd𝑏))⟩)⟩, ⟨(.r‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ ⟨((1st𝑎) · (1st𝑏)), ((2nd𝑎) · (2nd𝑏))⟩)⟩} ∪ {⟨(Scalar‘ndx), (Scalar‘𝑅)⟩, ⟨( ·𝑠 ‘ndx), (𝑘 ∈ (Base‘(Scalar‘𝑅)), 𝑎 ∈ (𝐵 × 𝑆) ↦ ⟨(𝑘( ·𝑠𝑅)(1st𝑎)), (2nd𝑎)⟩)⟩, ⟨(·𝑖‘ndx), ∅⟩}) ∪ {⟨(TopSet‘ndx), ((TopSet‘𝑅) ×t ((TopSet‘𝑅) ↾t 𝑆))⟩, ⟨(le‘ndx), {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝐵 × 𝑆) ∧ 𝑏 ∈ (𝐵 × 𝑆)) ∧ ((1st𝑎) · (2nd𝑏))(le‘𝑅)((1st𝑏) · (2nd𝑎)))}⟩, ⟨(dist‘ndx), (𝑎 ∈ (𝐵 × 𝑆), 𝑏 ∈ (𝐵 × 𝑆) ↦ (((1st𝑎) · (2nd𝑏))(dist‘𝑅)((1st𝑏) · (2nd𝑎))))⟩}))⟨𝐹, 𝐻⟩)] = [⟨((𝐸 · 𝐻) + (𝐹 · 𝐺)), (𝐺 · 𝐻)⟩] )
309274, 308eqtrd 2795 1 (𝜑 → ([⟨𝐸, 𝐺⟩] [⟨𝐹, 𝐻⟩] ) = [⟨((𝐸 · 𝐻) + (𝐹 · 𝐺)), (𝐺 · 𝐻)⟩] )
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wa 401   = wceq 1570  wcel 2145  Vcvv 3450  cun 3897  wss 3899  c0 4279  {csn 4584  {ctp 4588  cop 4590   class class class wbr 5103  {copab 5167   × cxp 5653  cfv 6533  (class class class)co 7413  cmpo 7415  1st c1st 7984  2nd c2nd 7985  [cec 8694  1c1 11125  2c2 12319  cdc 12736  ndxcnx 17285  Basecbs 17301  +gcplusg 17342  .rcmulr 17343  Scalarcsca 17345   ·𝑠 cvsca 17346  ·𝑖cip 17347  TopSetcts 17348  lecple 17349  distcds 17351  t crest 17505  0gc0g 17524   /s cqus 17591  SubMndcsubmnd 18890  Grpcgrp 19057  -gcsg 19059  CMndccmn 19907  Abelcabl 19908  mulGrpcmgp 20273  1rcur 20320  Ringcrg 20372  CRingccrg 20373   ×t ctx 23786   ~RL cerl 33693   RLocal crloc 33694
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2732  ax-rep 5232  ax-sep 5251  ax-nul 5263  ax-pow 5330  ax-pr 5398  ax-un 7736  ax-cnex 11180  ax-resscn 11181  ax-1cn 11182  ax-icn 11183  ax-addcl 11184  ax-addrcl 11185  ax-mulcl 11186  ax-mulrcl 11187  ax-mulcom 11188  ax-addass 11189  ax-mulass 11190  ax-distr 11191  ax-i2m1 11192  ax-1ne0 11193  ax-1rid 11194  ax-rnegex 11195  ax-rrecex 11196  ax-cnre 11197  ax-pre-lttri 11198  ax-pre-lttrn 11199  ax-pre-ltadd 11200  ax-pre-mulgt0 11201
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-nel 3062  df-ral 3077  df-rex 3087  df-rmo 3365  df-reu 3366  df-rab 3413  df-v 3452  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-pss 3919  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-tp 4589  df-op 4591  df-uni 4868  df-iun 4953  df-br 5104  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5550  df-eprel 5555  df-po 5563  df-so 5564  df-fr 5608  df-we 5610  df-xp 5661  df-rel 5662  df-cnv 5663  df-co 5664  df-dm 5665  df-rn 5666  df-res 5667  df-ima 5668  df-pred 6299  df-ord 6360  df-on 6361  df-lim 6362  df-suc 6363  df-iota 6489  df-fun 6535  df-fn 6536  df-f 6537  df-f1 6538  df-fo 6539  df-f1o 6540  df-fv 6541  df-riota 7370  df-ov 7416  df-oprab 7417  df-mpo 7418  df-om 7863  df-1st 7986  df-2nd 7987  df-frecs 8280  df-wrecs 8311  df-recs 8360  df-rdg 8399  df-1o 8455  df-er 8696  df-ec 8698  df-qs 8702  df-en 8953  df-dom 8954  df-sdom 8955  df-fin 8956  df-sup 9412  df-inf 9413  df-pnf 11269  df-mnf 11270  df-xr 11271  df-ltxr 11272  df-le 11273  df-sub 11467  df-neg 11468  df-nn 12258  df-2 12327  df-3 12328  df-4 12329  df-5 12330  df-6 12331  df-7 12332  df-8 12333  df-9 12334  df-n0 12529  df-z 12616  df-dec 12737  df-uz 12888  df-fz 13562  df-struct 17239  df-sets 17256  df-slot 17274  df-ndx 17286  df-base 17302  df-ress 17323  df-plusg 17355  df-mulr 17356  df-sca 17358  df-vsca 17359  df-ip 17360  df-tset 17361  df-ple 17362  df-ds 17364  df-0g 17526  df-imas 17594  df-qus 17595  df-mgm 18730  df-sgrp 18821  df-mnd 18837  df-submnd 18892  df-grp 19060  df-minusg 19061  df-sbg 19062  df-cmn 19909  df-abl 19910  df-mgp 20274  df-rng 20288  df-ur 20321  df-ring 20374  df-cring 20375  df-erl 33695  df-rloc 33696
This theorem is used by:  rloccring  33711  rloc0g  33712  rlocf1  33714  zringfrac  33964
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