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Theorem unop 32396
Description: Basic inner product property of a unitary operator. (Contributed by NM, 22-Jan-2006.) (New usage is discouraged.)
Assertion
Ref Expression
unop ((𝑇 ∈ UniOp ∧ 𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → ((𝑇𝐴) ·ih (𝑇𝐵)) = (𝐴 ·ih 𝐵))

Proof of Theorem unop
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 elunop 32353 . . . 4 (𝑇 ∈ UniOp ↔ (𝑇: ℋ–onto→ ℋ ∧ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ ((𝑇𝑥) ·ih (𝑇𝑦)) = (𝑥 ·ih 𝑦)))
21simprbi 503 . . 3 (𝑇 ∈ UniOp → ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ ((𝑇𝑥) ·ih (𝑇𝑦)) = (𝑥 ·ih 𝑦))
323ad2ant1 1151 . 2 ((𝑇 ∈ UniOp ∧ 𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ ((𝑇𝑥) ·ih (𝑇𝑦)) = (𝑥 ·ih 𝑦))
4 fveq2 6878 . . . . . 6 (𝑥 = 𝐴 → (𝑇𝑥) = (𝑇𝐴))
54oveq1d 7428 . . . . 5 (𝑥 = 𝐴 → ((𝑇𝑥) ·ih (𝑇𝑦)) = ((𝑇𝐴) ·ih (𝑇𝑦)))
6 oveq1 7420 . . . . 5 (𝑥 = 𝐴 → (𝑥 ·ih 𝑦) = (𝐴 ·ih 𝑦))
75, 6eqeq12d 2776 . . . 4 (𝑥 = 𝐴 → (((𝑇𝑥) ·ih (𝑇𝑦)) = (𝑥 ·ih 𝑦) ↔ ((𝑇𝐴) ·ih (𝑇𝑦)) = (𝐴 ·ih 𝑦)))
8 fveq2 6878 . . . . . 6 (𝑦 = 𝐵 → (𝑇𝑦) = (𝑇𝐵))
98oveq2d 7429 . . . . 5 (𝑦 = 𝐵 → ((𝑇𝐴) ·ih (𝑇𝑦)) = ((𝑇𝐴) ·ih (𝑇𝐵)))
10 oveq2 7421 . . . . 5 (𝑦 = 𝐵 → (𝐴 ·ih 𝑦) = (𝐴 ·ih 𝐵))
119, 10eqeq12d 2776 . . . 4 (𝑦 = 𝐵 → (((𝑇𝐴) ·ih (𝑇𝑦)) = (𝐴 ·ih 𝑦) ↔ ((𝑇𝐴) ·ih (𝑇𝐵)) = (𝐴 ·ih 𝐵)))
127, 11rspc2v 3587 . . 3 ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ ((𝑇𝑥) ·ih (𝑇𝑦)) = (𝑥 ·ih 𝑦) → ((𝑇𝐴) ·ih (𝑇𝐵)) = (𝐴 ·ih 𝐵)))
13123adant1 1148 . 2 ((𝑇 ∈ UniOp ∧ 𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ ((𝑇𝑥) ·ih (𝑇𝑦)) = (𝑥 ·ih 𝑦) → ((𝑇𝐴) ·ih (𝑇𝐵)) = (𝐴 ·ih 𝐵)))
143, 13mpd 16 1 ((𝑇 ∈ UniOp ∧ 𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → ((𝑇𝐴) ·ih (𝑇𝐵)) = (𝐴 ·ih 𝐵))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  w3a 1103   = wceq 1570  wcel 2145  wral 3076  ontowfo 6531  cfv 6533  (class class class)co 7413  chba 31400   ·ih csp 31403  UniOpcuo 31430
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-pr 5398  ax-hilex 31480
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  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-ral 3077  df-rex 3087  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-nul 4280  df-if 4483  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-iun 4953  df-br 5104  df-opab 5168  df-mpt 5187  df-id 5550  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-iota 6489  df-fun 6535  df-fn 6536  df-f 6537  df-f1 6538  df-fo 6539  df-f1o 6540  df-fv 6541  df-ov 7416  df-unop 32324
This theorem is used by:  unopf1o  32397  unopnorm  32398  cnvunop  32399  unopadj  32400  counop  32402
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