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Theorem sralemg 14285
Description: Lemma for srabaseg 14286 and similar theorems. (Contributed by Mario Carneiro, 4-Oct-2015.) (Revised by Thierry Arnoux, 16-Jun-2019.) (Revised by AV, 29-Oct-2024.)
Hypotheses
Ref Expression
srapart.a (𝜑𝐴 = ((subringAlg ‘𝑊)‘𝑆))
srapart.s (𝜑𝑆 ⊆ (Base‘𝑊))
srapart.ex (𝜑𝑊𝑋)
sralemg.1 (𝐸 = Slot (𝐸‘ndx) ∧ (𝐸‘ndx) ∈ ℕ)
sralem.2 (Scalar‘ndx) ≠ (𝐸‘ndx)
sralem.3 ( ·𝑠 ‘ndx) ≠ (𝐸‘ndx)
sralem.4 (·𝑖‘ndx) ≠ (𝐸‘ndx)
Assertion
Ref Expression
sralemg (𝜑 → (𝐸𝑊) = (𝐸𝐴))

Proof of Theorem sralemg
StepHypRef Expression
1 srapart.ex . . . 4 (𝜑𝑊𝑋)
2 basfn 12975 . . . . . . 7 Base Fn V
31elexd 2787 . . . . . . 7 (𝜑𝑊 ∈ V)
4 funfvex 5611 . . . . . . . 8 ((Fun Base ∧ 𝑊 ∈ dom Base) → (Base‘𝑊) ∈ V)
54funfni 5390 . . . . . . 7 ((Base Fn V ∧ 𝑊 ∈ V) → (Base‘𝑊) ∈ V)
62, 3, 5sylancr 414 . . . . . 6 (𝜑 → (Base‘𝑊) ∈ V)
7 srapart.s . . . . . 6 (𝜑𝑆 ⊆ (Base‘𝑊))
86, 7ssexd 4195 . . . . 5 (𝜑𝑆 ∈ V)
9 ressex 12982 . . . . 5 ((𝑊𝑋𝑆 ∈ V) → (𝑊s 𝑆) ∈ V)
101, 8, 9syl2anc 411 . . . 4 (𝜑 → (𝑊s 𝑆) ∈ V)
11 sralemg.1 . . . . 5 (𝐸 = Slot (𝐸‘ndx) ∧ (𝐸‘ndx) ∈ ℕ)
12 sralem.2 . . . . . 6 (Scalar‘ndx) ≠ (𝐸‘ndx)
1312necomi 2462 . . . . 5 (𝐸‘ndx) ≠ (Scalar‘ndx)
14 scaslid 13070 . . . . . 6 (Scalar = Slot (Scalar‘ndx) ∧ (Scalar‘ndx) ∈ ℕ)
1514simpri 113 . . . . 5 (Scalar‘ndx) ∈ ℕ
1611, 13, 15setsslnid 12969 . . . 4 ((𝑊𝑋 ∧ (𝑊s 𝑆) ∈ V) → (𝐸𝑊) = (𝐸‘(𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩)))
171, 10, 16syl2anc 411 . . 3 (𝜑 → (𝐸𝑊) = (𝐸‘(𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩)))
1815a1i 9 . . . . 5 (𝜑 → (Scalar‘ndx) ∈ ℕ)
19 setsex 12949 . . . . 5 ((𝑊𝑋 ∧ (Scalar‘ndx) ∈ ℕ ∧ (𝑊s 𝑆) ∈ V) → (𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) ∈ V)
201, 18, 10, 19syl3anc 1250 . . . 4 (𝜑 → (𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) ∈ V)
21 mulrslid 13049 . . . . . 6 (.r = Slot (.r‘ndx) ∧ (.r‘ndx) ∈ ℕ)
2221slotex 12944 . . . . 5 (𝑊𝑋 → (.r𝑊) ∈ V)
231, 22syl 14 . . . 4 (𝜑 → (.r𝑊) ∈ V)
24 sralem.3 . . . . . 6 ( ·𝑠 ‘ndx) ≠ (𝐸‘ndx)
2524necomi 2462 . . . . 5 (𝐸‘ndx) ≠ ( ·𝑠 ‘ndx)
26 vscaslid 13080 . . . . . 6 ( ·𝑠 = Slot ( ·𝑠 ‘ndx) ∧ ( ·𝑠 ‘ndx) ∈ ℕ)
2726simpri 113 . . . . 5 ( ·𝑠 ‘ndx) ∈ ℕ
2811, 25, 27setsslnid 12969 . . . 4 (((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) ∈ V ∧ (.r𝑊) ∈ V) → (𝐸‘(𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩)) = (𝐸‘((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩)))
2920, 23, 28syl2anc 411 . . 3 (𝜑 → (𝐸‘(𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩)) = (𝐸‘((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩)))
3027a1i 9 . . . . 5 (𝜑 → ( ·𝑠 ‘ndx) ∈ ℕ)
31 setsex 12949 . . . . 5 (((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) ∈ V ∧ ( ·𝑠 ‘ndx) ∈ ℕ ∧ (.r𝑊) ∈ V) → ((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩) ∈ V)
3220, 30, 23, 31syl3anc 1250 . . . 4 (𝜑 → ((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩) ∈ V)
33 sralem.4 . . . . . 6 (·𝑖‘ndx) ≠ (𝐸‘ndx)
3433necomi 2462 . . . . 5 (𝐸‘ndx) ≠ (·𝑖‘ndx)
35 ipslid 13088 . . . . . 6 (·𝑖 = Slot (·𝑖‘ndx) ∧ (·𝑖‘ndx) ∈ ℕ)
3635simpri 113 . . . . 5 (·𝑖‘ndx) ∈ ℕ
3711, 34, 36setsslnid 12969 . . . 4 ((((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩) ∈ V ∧ (.r𝑊) ∈ V) → (𝐸‘((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩)) = (𝐸‘(((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩) sSet ⟨(·𝑖‘ndx), (.r𝑊)⟩)))
3832, 23, 37syl2anc 411 . . 3 (𝜑 → (𝐸‘((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩)) = (𝐸‘(((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩) sSet ⟨(·𝑖‘ndx), (.r𝑊)⟩)))
3917, 29, 383eqtrd 2243 . 2 (𝜑 → (𝐸𝑊) = (𝐸‘(((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩) sSet ⟨(·𝑖‘ndx), (.r𝑊)⟩)))
40 srapart.a . . . 4 (𝜑𝐴 = ((subringAlg ‘𝑊)‘𝑆))
41 sraval 14284 . . . . 5 ((𝑊𝑋𝑆 ⊆ (Base‘𝑊)) → ((subringAlg ‘𝑊)‘𝑆) = (((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩) sSet ⟨(·𝑖‘ndx), (.r𝑊)⟩))
421, 7, 41syl2anc 411 . . . 4 (𝜑 → ((subringAlg ‘𝑊)‘𝑆) = (((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩) sSet ⟨(·𝑖‘ndx), (.r𝑊)⟩))
4340, 42eqtrd 2239 . . 3 (𝜑𝐴 = (((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩) sSet ⟨(·𝑖‘ndx), (.r𝑊)⟩))
4443fveq2d 5598 . 2 (𝜑 → (𝐸𝐴) = (𝐸‘(((𝑊 sSet ⟨(Scalar‘ndx), (𝑊s 𝑆)⟩) sSet ⟨( ·𝑠 ‘ndx), (.r𝑊)⟩) sSet ⟨(·𝑖‘ndx), (.r𝑊)⟩)))
4539, 44eqtr4d 2242 1 (𝜑 → (𝐸𝑊) = (𝐸𝐴))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104   = wceq 1373  wcel 2177  wne 2377  Vcvv 2773  wss 3170  cop 3641   Fn wfn 5280  cfv 5285  (class class class)co 5962  cn 9066  ndxcnx 12914   sSet csts 12915  Slot cslot 12916  Basecbs 12917  s cress 12918  .rcmulr 12995  Scalarcsca 12997   ·𝑠 cvsca 12998  ·𝑖cip 12999  subringAlg csra 14280
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 615  ax-in2 616  ax-io 711  ax-5 1471  ax-7 1472  ax-gen 1473  ax-ie1 1517  ax-ie2 1518  ax-8 1528  ax-10 1529  ax-11 1530  ax-i12 1531  ax-bndl 1533  ax-4 1534  ax-17 1550  ax-i9 1554  ax-ial 1558  ax-i5r 1559  ax-13 2179  ax-14 2180  ax-ext 2188  ax-coll 4170  ax-sep 4173  ax-pow 4229  ax-pr 4264  ax-un 4493  ax-setind 4598  ax-cnex 8046  ax-resscn 8047  ax-1re 8049  ax-addrcl 8052
This theorem depends on definitions:  df-bi 117  df-3an 983  df-tru 1376  df-fal 1379  df-nf 1485  df-sb 1787  df-eu 2058  df-mo 2059  df-clab 2193  df-cleq 2199  df-clel 2202  df-nfc 2338  df-ne 2378  df-ral 2490  df-rex 2491  df-reu 2492  df-rab 2494  df-v 2775  df-sbc 3003  df-csb 3098  df-dif 3172  df-un 3174  df-in 3176  df-ss 3183  df-nul 3465  df-pw 3623  df-sn 3644  df-pr 3645  df-op 3647  df-uni 3860  df-int 3895  df-iun 3938  df-br 4055  df-opab 4117  df-mpt 4118  df-id 4353  df-xp 4694  df-rel 4695  df-cnv 4696  df-co 4697  df-dm 4698  df-rn 4699  df-res 4700  df-ima 4701  df-iota 5246  df-fun 5287  df-fn 5288  df-f 5289  df-f1 5290  df-fo 5291  df-f1o 5292  df-fv 5293  df-ov 5965  df-oprab 5966  df-mpo 5967  df-inn 9067  df-2 9125  df-3 9126  df-4 9127  df-5 9128  df-6 9129  df-7 9130  df-8 9131  df-ndx 12920  df-slot 12921  df-base 12923  df-sets 12924  df-iress 12925  df-mulr 13008  df-sca 13010  df-vsca 13011  df-ip 13012  df-sra 14282
This theorem is referenced by:  srabaseg  14286  sraaddgg  14287  sramulrg  14288  sratsetg  14292  sradsg  14295
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