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Theorem diblss 36961
Description: The value of partial isomorphism B is a subspace of partial vector space H. TODO: use dib* specific theorems instead of dia* ones to shorten proof? (Contributed by NM, 11-Feb-2014.)
Hypotheses
Ref Expression
diblss.b 𝐵 = (Base‘𝐾)
diblss.l = (le‘𝐾)
diblss.h 𝐻 = (LHyp‘𝐾)
diblss.u 𝑈 = ((DVecH‘𝐾)‘𝑊)
diblss.i 𝐼 = ((DIsoB‘𝐾)‘𝑊)
diblss.s 𝑆 = (LSubSp‘𝑈)
Assertion
Ref Expression
diblss (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → (𝐼𝑋) ∈ 𝑆)

Proof of Theorem diblss
Dummy variables 𝑎 𝑏 𝑥 𝑠 𝑡 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqidd 2761 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → (Scalar‘𝑈) = (Scalar‘𝑈))
2 diblss.h . . . . 5 𝐻 = (LHyp‘𝐾)
3 eqid 2760 . . . . 5 ((TEndo‘𝐾)‘𝑊) = ((TEndo‘𝐾)‘𝑊)
4 diblss.u . . . . 5 𝑈 = ((DVecH‘𝐾)‘𝑊)
5 eqid 2760 . . . . 5 (Scalar‘𝑈) = (Scalar‘𝑈)
6 eqid 2760 . . . . 5 (Base‘(Scalar‘𝑈)) = (Base‘(Scalar‘𝑈))
72, 3, 4, 5, 6dvhbase 36874 . . . 4 ((𝐾 ∈ HL ∧ 𝑊𝐻) → (Base‘(Scalar‘𝑈)) = ((TEndo‘𝐾)‘𝑊))
87eqcomd 2766 . . 3 ((𝐾 ∈ HL ∧ 𝑊𝐻) → ((TEndo‘𝐾)‘𝑊) = (Base‘(Scalar‘𝑈)))
98adantr 472 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → ((TEndo‘𝐾)‘𝑊) = (Base‘(Scalar‘𝑈)))
10 eqid 2760 . . . . 5 ((LTrn‘𝐾)‘𝑊) = ((LTrn‘𝐾)‘𝑊)
11 eqid 2760 . . . . 5 (Base‘𝑈) = (Base‘𝑈)
122, 10, 3, 4, 11dvhvbase 36878 . . . 4 ((𝐾 ∈ HL ∧ 𝑊𝐻) → (Base‘𝑈) = (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)))
1312eqcomd 2766 . . 3 ((𝐾 ∈ HL ∧ 𝑊𝐻) → (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)) = (Base‘𝑈))
1413adantr 472 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)) = (Base‘𝑈))
15 eqidd 2761 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → (+g𝑈) = (+g𝑈))
16 eqidd 2761 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → ( ·𝑠𝑈) = ( ·𝑠𝑈))
17 diblss.s . . 3 𝑆 = (LSubSp‘𝑈)
1817a1i 11 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → 𝑆 = (LSubSp‘𝑈))
19 diblss.b . . . 4 𝐵 = (Base‘𝐾)
20 diblss.l . . . 4 = (le‘𝐾)
21 diblss.i . . . 4 𝐼 = ((DIsoB‘𝐾)‘𝑊)
2219, 20, 2, 21, 4, 11dibss 36960 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → (𝐼𝑋) ⊆ (Base‘𝑈))
2322, 14sseqtr4d 3783 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → (𝐼𝑋) ⊆ (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)))
2419, 20, 2, 21dibn0 36944 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → (𝐼𝑋) ≠ ∅)
25 fvex 6362 . . . . . . 7 (𝑥‘(1st𝑎)) ∈ V
26 vex 3343 . . . . . . . 8 𝑥 ∈ V
27 fvex 6362 . . . . . . . 8 (2nd𝑎) ∈ V
2826, 27coex 7283 . . . . . . 7 (𝑥 ∘ (2nd𝑎)) ∈ V
2925, 28op1st 7341 . . . . . 6 (1st ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩) = (𝑥‘(1st𝑎))
3029coeq1i 5437 . . . . 5 ((1st ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩) ∘ (1st𝑏)) = ((𝑥‘(1st𝑎)) ∘ (1st𝑏))
31 simpll 807 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (𝐾 ∈ HL ∧ 𝑊𝐻))
32 simpr1 1234 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → 𝑥 ∈ ((TEndo‘𝐾)‘𝑊))
33 simplr 809 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (𝑋𝐵𝑋 𝑊))
34 simpr2 1236 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → 𝑎 ∈ (𝐼𝑋))
3519, 20, 2, 10, 21dibelval1st1 36941 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ 𝑎 ∈ (𝐼𝑋)) → (1st𝑎) ∈ ((LTrn‘𝐾)‘𝑊))
3631, 33, 34, 35syl3anc 1477 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (1st𝑎) ∈ ((LTrn‘𝐾)‘𝑊))
372, 10, 3tendocl 36557 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ (1st𝑎) ∈ ((LTrn‘𝐾)‘𝑊)) → (𝑥‘(1st𝑎)) ∈ ((LTrn‘𝐾)‘𝑊))
3831, 32, 36, 37syl3anc 1477 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (𝑥‘(1st𝑎)) ∈ ((LTrn‘𝐾)‘𝑊))
39 simpr3 1238 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → 𝑏 ∈ (𝐼𝑋))
4019, 20, 2, 10, 21dibelval1st1 36941 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ 𝑏 ∈ (𝐼𝑋)) → (1st𝑏) ∈ ((LTrn‘𝐾)‘𝑊))
4131, 33, 39, 40syl3anc 1477 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (1st𝑏) ∈ ((LTrn‘𝐾)‘𝑊))
422, 10ltrnco 36509 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑥‘(1st𝑎)) ∈ ((LTrn‘𝐾)‘𝑊) ∧ (1st𝑏) ∈ ((LTrn‘𝐾)‘𝑊)) → ((𝑥‘(1st𝑎)) ∘ (1st𝑏)) ∈ ((LTrn‘𝐾)‘𝑊))
4331, 38, 41, 42syl3anc 1477 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ((𝑥‘(1st𝑎)) ∘ (1st𝑏)) ∈ ((LTrn‘𝐾)‘𝑊))
44 simplll 815 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → 𝐾 ∈ HL)
45 hllat 35153 . . . . . . . 8 (𝐾 ∈ HL → 𝐾 ∈ Lat)
4644, 45syl 17 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → 𝐾 ∈ Lat)
47 eqid 2760 . . . . . . . . 9 ((trL‘𝐾)‘𝑊) = ((trL‘𝐾)‘𝑊)
4819, 2, 10, 47trlcl 35954 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ ((𝑥‘(1st𝑎)) ∘ (1st𝑏)) ∈ ((LTrn‘𝐾)‘𝑊)) → (((trL‘𝐾)‘𝑊)‘((𝑥‘(1st𝑎)) ∘ (1st𝑏))) ∈ 𝐵)
4931, 43, 48syl2anc 696 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((trL‘𝐾)‘𝑊)‘((𝑥‘(1st𝑎)) ∘ (1st𝑏))) ∈ 𝐵)
5019, 2, 10, 47trlcl 35954 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑥‘(1st𝑎)) ∈ ((LTrn‘𝐾)‘𝑊)) → (((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎))) ∈ 𝐵)
5131, 38, 50syl2anc 696 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎))) ∈ 𝐵)
5219, 2, 10, 47trlcl 35954 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (1st𝑏) ∈ ((LTrn‘𝐾)‘𝑊)) → (((trL‘𝐾)‘𝑊)‘(1st𝑏)) ∈ 𝐵)
5331, 41, 52syl2anc 696 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((trL‘𝐾)‘𝑊)‘(1st𝑏)) ∈ 𝐵)
54 eqid 2760 . . . . . . . . 9 (join‘𝐾) = (join‘𝐾)
5519, 54latjcl 17252 . . . . . . . 8 ((𝐾 ∈ Lat ∧ (((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎))) ∈ 𝐵 ∧ (((trL‘𝐾)‘𝑊)‘(1st𝑏)) ∈ 𝐵) → ((((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎)))(join‘𝐾)(((trL‘𝐾)‘𝑊)‘(1st𝑏))) ∈ 𝐵)
5646, 51, 53, 55syl3anc 1477 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ((((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎)))(join‘𝐾)(((trL‘𝐾)‘𝑊)‘(1st𝑏))) ∈ 𝐵)
57 simplrl 819 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → 𝑋𝐵)
5820, 54, 2, 10, 47trlco 36517 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑥‘(1st𝑎)) ∈ ((LTrn‘𝐾)‘𝑊) ∧ (1st𝑏) ∈ ((LTrn‘𝐾)‘𝑊)) → (((trL‘𝐾)‘𝑊)‘((𝑥‘(1st𝑎)) ∘ (1st𝑏))) ((((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎)))(join‘𝐾)(((trL‘𝐾)‘𝑊)‘(1st𝑏))))
5931, 38, 41, 58syl3anc 1477 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((trL‘𝐾)‘𝑊)‘((𝑥‘(1st𝑎)) ∘ (1st𝑏))) ((((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎)))(join‘𝐾)(((trL‘𝐾)‘𝑊)‘(1st𝑏))))
6019, 2, 10, 47trlcl 35954 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (1st𝑎) ∈ ((LTrn‘𝐾)‘𝑊)) → (((trL‘𝐾)‘𝑊)‘(1st𝑎)) ∈ 𝐵)
6131, 36, 60syl2anc 696 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((trL‘𝐾)‘𝑊)‘(1st𝑎)) ∈ 𝐵)
6220, 2, 10, 47, 3tendotp 36551 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ (1st𝑎) ∈ ((LTrn‘𝐾)‘𝑊)) → (((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎))) (((trL‘𝐾)‘𝑊)‘(1st𝑎)))
6331, 32, 36, 62syl3anc 1477 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎))) (((trL‘𝐾)‘𝑊)‘(1st𝑎)))
64 eqid 2760 . . . . . . . . . . . 12 ((DIsoA‘𝐾)‘𝑊) = ((DIsoA‘𝐾)‘𝑊)
6519, 20, 2, 64, 21dibelval1st 36940 . . . . . . . . . . 11 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ 𝑎 ∈ (𝐼𝑋)) → (1st𝑎) ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑋))
6631, 33, 34, 65syl3anc 1477 . . . . . . . . . 10 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (1st𝑎) ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑋))
6719, 20, 2, 10, 47, 64diatrl 36835 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (1st𝑎) ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑋)) → (((trL‘𝐾)‘𝑊)‘(1st𝑎)) 𝑋)
6831, 33, 66, 67syl3anc 1477 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((trL‘𝐾)‘𝑊)‘(1st𝑎)) 𝑋)
6919, 20, 46, 51, 61, 57, 63, 68lattrd 17259 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎))) 𝑋)
7019, 20, 2, 64, 21dibelval1st 36940 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ 𝑏 ∈ (𝐼𝑋)) → (1st𝑏) ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑋))
7131, 33, 39, 70syl3anc 1477 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (1st𝑏) ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑋))
7219, 20, 2, 10, 47, 64diatrl 36835 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (1st𝑏) ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑋)) → (((trL‘𝐾)‘𝑊)‘(1st𝑏)) 𝑋)
7331, 33, 71, 72syl3anc 1477 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((trL‘𝐾)‘𝑊)‘(1st𝑏)) 𝑋)
7419, 20, 54latjle12 17263 . . . . . . . . 9 ((𝐾 ∈ Lat ∧ ((((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎))) ∈ 𝐵 ∧ (((trL‘𝐾)‘𝑊)‘(1st𝑏)) ∈ 𝐵𝑋𝐵)) → (((((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎))) 𝑋 ∧ (((trL‘𝐾)‘𝑊)‘(1st𝑏)) 𝑋) ↔ ((((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎)))(join‘𝐾)(((trL‘𝐾)‘𝑊)‘(1st𝑏))) 𝑋))
7546, 51, 53, 57, 74syl13anc 1479 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎))) 𝑋 ∧ (((trL‘𝐾)‘𝑊)‘(1st𝑏)) 𝑋) ↔ ((((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎)))(join‘𝐾)(((trL‘𝐾)‘𝑊)‘(1st𝑏))) 𝑋))
7669, 73, 75mpbi2and 994 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ((((trL‘𝐾)‘𝑊)‘(𝑥‘(1st𝑎)))(join‘𝐾)(((trL‘𝐾)‘𝑊)‘(1st𝑏))) 𝑋)
7719, 20, 46, 49, 56, 57, 59, 76lattrd 17259 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((trL‘𝐾)‘𝑊)‘((𝑥‘(1st𝑎)) ∘ (1st𝑏))) 𝑋)
7819, 20, 2, 10, 47, 64diaelval 36824 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → (((𝑥‘(1st𝑎)) ∘ (1st𝑏)) ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑋) ↔ (((𝑥‘(1st𝑎)) ∘ (1st𝑏)) ∈ ((LTrn‘𝐾)‘𝑊) ∧ (((trL‘𝐾)‘𝑊)‘((𝑥‘(1st𝑎)) ∘ (1st𝑏))) 𝑋)))
7978adantr 472 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (((𝑥‘(1st𝑎)) ∘ (1st𝑏)) ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑋) ↔ (((𝑥‘(1st𝑎)) ∘ (1st𝑏)) ∈ ((LTrn‘𝐾)‘𝑊) ∧ (((trL‘𝐾)‘𝑊)‘((𝑥‘(1st𝑎)) ∘ (1st𝑏))) 𝑋)))
8043, 77, 79mpbir2and 995 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ((𝑥‘(1st𝑎)) ∘ (1st𝑏)) ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑋))
8130, 80syl5eqel 2843 . . . 4 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ((1st ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩) ∘ (1st𝑏)) ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑋))
82 eqid 2760 . . . . . . . . 9 (𝑠 ∈ ((TEndo‘𝐾)‘𝑊), 𝑡 ∈ ((TEndo‘𝐾)‘𝑊) ↦ ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ((𝑠) ∘ (𝑡)))) = (𝑠 ∈ ((TEndo‘𝐾)‘𝑊), 𝑡 ∈ ((TEndo‘𝐾)‘𝑊) ↦ ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ((𝑠) ∘ (𝑡))))
83 eqid 2760 . . . . . . . . 9 (+g‘(Scalar‘𝑈)) = (+g‘(Scalar‘𝑈))
842, 10, 3, 4, 5, 82, 83dvhfplusr 36875 . . . . . . . 8 ((𝐾 ∈ HL ∧ 𝑊𝐻) → (+g‘(Scalar‘𝑈)) = (𝑠 ∈ ((TEndo‘𝐾)‘𝑊), 𝑡 ∈ ((TEndo‘𝐾)‘𝑊) ↦ ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ((𝑠) ∘ (𝑡)))))
8584ad2antrr 764 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (+g‘(Scalar‘𝑈)) = (𝑠 ∈ ((TEndo‘𝐾)‘𝑊), 𝑡 ∈ ((TEndo‘𝐾)‘𝑊) ↦ ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ((𝑠) ∘ (𝑡)))))
8625, 28op2nd 7342 . . . . . . . 8 (2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩) = (𝑥 ∘ (2nd𝑎))
87 eqid 2760 . . . . . . . . . . . 12 ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))
8819, 20, 2, 10, 87, 21dibelval2nd 36943 . . . . . . . . . . 11 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ 𝑎 ∈ (𝐼𝑋)) → (2nd𝑎) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
8931, 33, 34, 88syl3anc 1477 . . . . . . . . . 10 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (2nd𝑎) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
9089coeq2d 5440 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (𝑥 ∘ (2nd𝑎)) = (𝑥 ∘ ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))))
9119, 2, 10, 3, 87tendo0mulr 36617 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑥 ∈ ((TEndo‘𝐾)‘𝑊)) → (𝑥 ∘ ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
9231, 32, 91syl2anc 696 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (𝑥 ∘ ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
9390, 92eqtrd 2794 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (𝑥 ∘ (2nd𝑎)) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
9486, 93syl5eq 2806 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
9519, 20, 2, 10, 87, 21dibelval2nd 36943 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ 𝑏 ∈ (𝐼𝑋)) → (2nd𝑏) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
9631, 33, 39, 95syl3anc 1477 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (2nd𝑏) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
9785, 94, 96oveq123d 6834 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏)) = (( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))(𝑠 ∈ ((TEndo‘𝐾)‘𝑊), 𝑡 ∈ ((TEndo‘𝐾)‘𝑊) ↦ ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ((𝑠) ∘ (𝑡))))( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))))
98 simpllr 817 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → 𝑊𝐻)
9919, 2, 10, 3, 87tendo0cl 36580 . . . . . . . 8 ((𝐾 ∈ HL ∧ 𝑊𝐻) → ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)) ∈ ((TEndo‘𝐾)‘𝑊))
10099ad2antrr 764 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)) ∈ ((TEndo‘𝐾)‘𝑊))
10119, 2, 10, 3, 87, 82tendo0pl 36581 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)) ∈ ((TEndo‘𝐾)‘𝑊)) → (( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))(𝑠 ∈ ((TEndo‘𝐾)‘𝑊), 𝑡 ∈ ((TEndo‘𝐾)‘𝑊) ↦ ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ((𝑠) ∘ (𝑡))))( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
10244, 98, 100, 101syl21anc 1476 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))(𝑠 ∈ ((TEndo‘𝐾)‘𝑊), 𝑡 ∈ ((TEndo‘𝐾)‘𝑊) ↦ ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ((𝑠) ∘ (𝑡))))( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
10397, 102eqtrd 2794 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏)) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
104 ovex 6841 . . . . . 6 ((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏)) ∈ V
105104elsn 4336 . . . . 5 (((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏)) ∈ {( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))} ↔ ((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏)) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵)))
106103, 105sylibr 224 . . . 4 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏)) ∈ {( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))})
107 opelxpi 5305 . . . 4 ((((1st ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩) ∘ (1st𝑏)) ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑋) ∧ ((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏)) ∈ {( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))}) → ⟨((1st ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩) ∘ (1st𝑏)), ((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏))⟩ ∈ ((((DIsoA‘𝐾)‘𝑊)‘𝑋) × {( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))}))
10881, 106, 107syl2anc 696 . . 3 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ⟨((1st ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩) ∘ (1st𝑏)), ((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏))⟩ ∈ ((((DIsoA‘𝐾)‘𝑊)‘𝑋) × {( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))}))
10923adantr 472 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (𝐼𝑋) ⊆ (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)))
110109, 34sseldd 3745 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → 𝑎 ∈ (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)))
111 eqid 2760 . . . . . . 7 ( ·𝑠𝑈) = ( ·𝑠𝑈)
1122, 10, 3, 4, 111dvhvsca 36892 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)))) → (𝑥( ·𝑠𝑈)𝑎) = ⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)
11331, 32, 110, 112syl12anc 1475 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (𝑥( ·𝑠𝑈)𝑎) = ⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)
114113oveq1d 6828 . . . 4 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ((𝑥( ·𝑠𝑈)𝑎)(+g𝑈)𝑏) = (⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩(+g𝑈)𝑏))
11589, 100eqeltrd 2839 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (2nd𝑎) ∈ ((TEndo‘𝐾)‘𝑊))
1162, 3tendococl 36562 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ (2nd𝑎) ∈ ((TEndo‘𝐾)‘𝑊)) → (𝑥 ∘ (2nd𝑎)) ∈ ((TEndo‘𝐾)‘𝑊))
11731, 32, 115, 116syl3anc 1477 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (𝑥 ∘ (2nd𝑎)) ∈ ((TEndo‘𝐾)‘𝑊))
118 opelxpi 5305 . . . . . 6 (((𝑥‘(1st𝑎)) ∈ ((LTrn‘𝐾)‘𝑊) ∧ (𝑥 ∘ (2nd𝑎)) ∈ ((TEndo‘𝐾)‘𝑊)) → ⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩ ∈ (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)))
11938, 117, 118syl2anc 696 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩ ∈ (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)))
120109, 39sseldd 3745 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → 𝑏 ∈ (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)))
121 eqid 2760 . . . . . 6 (+g𝑈) = (+g𝑈)
1222, 10, 3, 4, 5, 121, 83dvhvadd 36883 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩ ∈ (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)) ∧ 𝑏 ∈ (((LTrn‘𝐾)‘𝑊) × ((TEndo‘𝐾)‘𝑊)))) → (⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩(+g𝑈)𝑏) = ⟨((1st ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩) ∘ (1st𝑏)), ((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏))⟩)
12331, 119, 120, 122syl12anc 1475 . . . 4 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩(+g𝑈)𝑏) = ⟨((1st ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩) ∘ (1st𝑏)), ((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏))⟩)
124114, 123eqtrd 2794 . . 3 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ((𝑥( ·𝑠𝑈)𝑎)(+g𝑈)𝑏) = ⟨((1st ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩) ∘ (1st𝑏)), ((2nd ‘⟨(𝑥‘(1st𝑎)), (𝑥 ∘ (2nd𝑎))⟩)(+g‘(Scalar‘𝑈))(2nd𝑏))⟩)
12519, 20, 2, 10, 87, 64, 21dibval2 36935 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → (𝐼𝑋) = ((((DIsoA‘𝐾)‘𝑊)‘𝑋) × {( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))}))
126125adantr 472 . . 3 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → (𝐼𝑋) = ((((DIsoA‘𝐾)‘𝑊)‘𝑋) × {( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ 𝐵))}))
127108, 124, 1263eltr4d 2854 . 2 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) ∧ (𝑥 ∈ ((TEndo‘𝐾)‘𝑊) ∧ 𝑎 ∈ (𝐼𝑋) ∧ 𝑏 ∈ (𝐼𝑋))) → ((𝑥( ·𝑠𝑈)𝑎)(+g𝑈)𝑏) ∈ (𝐼𝑋))
1281, 9, 14, 15, 16, 18, 23, 24, 127islssd 19138 1 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → (𝐼𝑋) ∈ 𝑆)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 383  w3a 1072   = wceq 1632  wcel 2139  wss 3715  {csn 4321  cop 4327   class class class wbr 4804  cmpt 4881   I cid 5173   × cxp 5264  cres 5268  ccom 5270  cfv 6049  (class class class)co 6813  cmpt2 6815  1st c1st 7331  2nd c2nd 7332  Basecbs 16059  +gcplusg 16143  Scalarcsca 16146   ·𝑠 cvsca 16147  lecple 16150  joincjn 17145  Latclat 17246  LSubSpclss 19134  HLchlt 35140  LHypclh 35773  LTrncltrn 35890  trLctrl 35948  TEndoctendo 36542  DIsoAcdia 36819  DVecHcdvh 36869  DIsoBcdib 36929
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1871  ax-4 1886  ax-5 1988  ax-6 2054  ax-7 2090  ax-8 2141  ax-9 2148  ax-10 2168  ax-11 2183  ax-12 2196  ax-13 2391  ax-ext 2740  ax-rep 4923  ax-sep 4933  ax-nul 4941  ax-pow 4992  ax-pr 5055  ax-un 7114  ax-cnex 10184  ax-resscn 10185  ax-1cn 10186  ax-icn 10187  ax-addcl 10188  ax-addrcl 10189  ax-mulcl 10190  ax-mulrcl 10191  ax-mulcom 10192  ax-addass 10193  ax-mulass 10194  ax-distr 10195  ax-i2m1 10196  ax-1ne0 10197  ax-1rid 10198  ax-rnegex 10199  ax-rrecex 10200  ax-cnre 10201  ax-pre-lttri 10202  ax-pre-lttrn 10203  ax-pre-ltadd 10204  ax-pre-mulgt0 10205  ax-riotaBAD 34742
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1073  df-3an 1074  df-tru 1635  df-fal 1638  df-ex 1854  df-nf 1859  df-sb 2047  df-eu 2611  df-mo 2612  df-clab 2747  df-cleq 2753  df-clel 2756  df-nfc 2891  df-ne 2933  df-nel 3036  df-ral 3055  df-rex 3056  df-reu 3057  df-rmo 3058  df-rab 3059  df-v 3342  df-sbc 3577  df-csb 3675  df-dif 3718  df-un 3720  df-in 3722  df-ss 3729  df-pss 3731  df-nul 4059  df-if 4231  df-pw 4304  df-sn 4322  df-pr 4324  df-tp 4326  df-op 4328  df-uni 4589  df-int 4628  df-iun 4674  df-iin 4675  df-br 4805  df-opab 4865  df-mpt 4882  df-tr 4905  df-id 5174  df-eprel 5179  df-po 5187  df-so 5188  df-fr 5225  df-we 5227  df-xp 5272  df-rel 5273  df-cnv 5274  df-co 5275  df-dm 5276  df-rn 5277  df-res 5278  df-ima 5279  df-pred 5841  df-ord 5887  df-on 5888  df-lim 5889  df-suc 5890  df-iota 6012  df-fun 6051  df-fn 6052  df-f 6053  df-f1 6054  df-fo 6055  df-f1o 6056  df-fv 6057  df-riota 6774  df-ov 6816  df-oprab 6817  df-mpt2 6818  df-om 7231  df-1st 7333  df-2nd 7334  df-undef 7568  df-wrecs 7576  df-recs 7637  df-rdg 7675  df-1o 7729  df-oadd 7733  df-er 7911  df-map 8025  df-en 8122  df-dom 8123  df-sdom 8124  df-fin 8125  df-pnf 10268  df-mnf 10269  df-xr 10270  df-ltxr 10271  df-le 10272  df-sub 10460  df-neg 10461  df-nn 11213  df-2 11271  df-3 11272  df-4 11273  df-5 11274  df-6 11275  df-n0 11485  df-z 11570  df-uz 11880  df-fz 12520  df-struct 16061  df-ndx 16062  df-slot 16063  df-base 16065  df-plusg 16156  df-mulr 16157  df-sca 16159  df-vsca 16160  df-preset 17129  df-poset 17147  df-plt 17159  df-lub 17175  df-glb 17176  df-join 17177  df-meet 17178  df-p0 17240  df-p1 17241  df-lat 17247  df-clat 17309  df-lss 19135  df-oposet 34966  df-ol 34968  df-oml 34969  df-covers 35056  df-ats 35057  df-atl 35088  df-cvlat 35112  df-hlat 35141  df-llines 35287  df-lplanes 35288  df-lvols 35289  df-lines 35290  df-psubsp 35292  df-pmap 35293  df-padd 35585  df-lhyp 35777  df-laut 35778  df-ldil 35893  df-ltrn 35894  df-trl 35949  df-tendo 36545  df-edring 36547  df-disoa 36820  df-dvech 36870  df-dib 36930
This theorem is referenced by:  diblsmopel  36962  cdlemn5pre  36991  cdlemn11c  37000  dihjustlem  37007  dihord1  37009  dihord2a  37010  dihord2b  37011  dihord11c  37015  dihlsscpre  37025  dihopelvalcpre  37039  dihlss  37041  dihord6apre  37047  dihord5b  37050  dihord5apre  37053
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