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Theorem ajval 30890
Description: Value of the adjoint function. (Contributed by NM, 25-Jan-2008.) (New usage is discouraged.)
Hypotheses
Ref Expression
ajval.1 𝑋 = (BaseSet‘𝑈)
ajval.2 𝑌 = (BaseSet‘𝑊)
ajval.3 𝑃 = (·𝑖OLD𝑈)
ajval.4 𝑄 = (·𝑖OLD𝑊)
ajval.5 𝐴 = (𝑈adj𝑊)
Assertion
Ref Expression
ajval ((𝑈 ∈ CPreHilOLD𝑊 ∈ NrmCVec ∧ 𝑇:𝑋𝑌) → (𝐴𝑇) = (℩𝑠(𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))))
Distinct variable groups:   𝑥,𝑠,𝑦,𝑇   𝑈,𝑠,𝑥,𝑦   𝑊,𝑠,𝑥,𝑦   𝑋,𝑠,𝑥,𝑦   𝑌,𝑠,𝑦
Allowed substitution hints:   𝐴(𝑥,𝑦,𝑠)   𝑃(𝑥,𝑦,𝑠)   𝑄(𝑥,𝑦,𝑠)   𝑌(𝑥)

Proof of Theorem ajval
Dummy variable 𝑡 is distinct from all other variables.
StepHypRef Expression
1 phnv 30843 . . . . 5 (𝑈 ∈ CPreHilOLD𝑈 ∈ NrmCVec)
2 ajval.1 . . . . . 6 𝑋 = (BaseSet‘𝑈)
3 ajval.2 . . . . . 6 𝑌 = (BaseSet‘𝑊)
4 ajval.3 . . . . . 6 𝑃 = (·𝑖OLD𝑈)
5 ajval.4 . . . . . 6 𝑄 = (·𝑖OLD𝑊)
6 ajval.5 . . . . . 6 𝐴 = (𝑈adj𝑊)
72, 3, 4, 5, 6ajfval 30838 . . . . 5 ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec) → 𝐴 = {⟨𝑡, 𝑠⟩ ∣ (𝑡:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))})
81, 7sylan 580 . . . 4 ((𝑈 ∈ CPreHilOLD𝑊 ∈ NrmCVec) → 𝐴 = {⟨𝑡, 𝑠⟩ ∣ (𝑡:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))})
98fveq1d 6909 . . 3 ((𝑈 ∈ CPreHilOLD𝑊 ∈ NrmCVec) → (𝐴𝑇) = ({⟨𝑡, 𝑠⟩ ∣ (𝑡:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))}‘𝑇))
1093adant3 1131 . 2 ((𝑈 ∈ CPreHilOLD𝑊 ∈ NrmCVec ∧ 𝑇:𝑋𝑌) → (𝐴𝑇) = ({⟨𝑡, 𝑠⟩ ∣ (𝑡:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))}‘𝑇))
112fvexi 6921 . . . . . 6 𝑋 ∈ V
12 fex 7246 . . . . . 6 ((𝑇:𝑋𝑌𝑋 ∈ V) → 𝑇 ∈ V)
1311, 12mpan2 691 . . . . 5 (𝑇:𝑋𝑌𝑇 ∈ V)
14 eqid 2735 . . . . . 6 {⟨𝑡, 𝑠⟩ ∣ (𝑡:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))} = {⟨𝑡, 𝑠⟩ ∣ (𝑡:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))}
15 feq1 6717 . . . . . . 7 (𝑡 = 𝑇 → (𝑡:𝑋𝑌𝑇:𝑋𝑌))
16 fveq1 6906 . . . . . . . . . 10 (𝑡 = 𝑇 → (𝑡𝑥) = (𝑇𝑥))
1716oveq1d 7446 . . . . . . . . 9 (𝑡 = 𝑇 → ((𝑡𝑥)𝑄𝑦) = ((𝑇𝑥)𝑄𝑦))
1817eqeq1d 2737 . . . . . . . 8 (𝑡 = 𝑇 → (((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)) ↔ ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦))))
19182ralbidv 3219 . . . . . . 7 (𝑡 = 𝑇 → (∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)) ↔ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦))))
2015, 193anbi13d 1437 . . . . . 6 (𝑡 = 𝑇 → ((𝑡:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦))) ↔ (𝑇:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))))
2114, 20fvopab5 7049 . . . . 5 (𝑇 ∈ V → ({⟨𝑡, 𝑠⟩ ∣ (𝑡:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))}‘𝑇) = (℩𝑠(𝑇:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))))
2213, 21syl 17 . . . 4 (𝑇:𝑋𝑌 → ({⟨𝑡, 𝑠⟩ ∣ (𝑡:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))}‘𝑇) = (℩𝑠(𝑇:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))))
23 3anass 1094 . . . . . 6 ((𝑇:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦))) ↔ (𝑇:𝑋𝑌 ∧ (𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))))
2423baib 535 . . . . 5 (𝑇:𝑋𝑌 → ((𝑇:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦))) ↔ (𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))))
2524iotabidv 6547 . . . 4 (𝑇:𝑋𝑌 → (℩𝑠(𝑇:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))) = (℩𝑠(𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))))
2622, 25eqtrd 2775 . . 3 (𝑇:𝑋𝑌 → ({⟨𝑡, 𝑠⟩ ∣ (𝑡:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))}‘𝑇) = (℩𝑠(𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))))
27263ad2ant3 1134 . 2 ((𝑈 ∈ CPreHilOLD𝑊 ∈ NrmCVec ∧ 𝑇:𝑋𝑌) → ({⟨𝑡, 𝑠⟩ ∣ (𝑡:𝑋𝑌𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑡𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))}‘𝑇) = (℩𝑠(𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))))
2810, 27eqtrd 2775 1 ((𝑈 ∈ CPreHilOLD𝑊 ∈ NrmCVec ∧ 𝑇:𝑋𝑌) → (𝐴𝑇) = (℩𝑠(𝑠:𝑌𝑋 ∧ ∀𝑥𝑋𝑦𝑌 ((𝑇𝑥)𝑄𝑦) = (𝑥𝑃(𝑠𝑦)))))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  w3a 1086   = wceq 1537  wcel 2106  wral 3059  Vcvv 3478  {copab 5210  cio 6514  wf 6559  cfv 6563  (class class class)co 7431  NrmCVeccnv 30613  BaseSetcba 30615  ·𝑖OLDcdip 30729  adjcaj 30777  CPreHilOLDccphlo 30841
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-10 2139  ax-11 2155  ax-12 2175  ax-ext 2706  ax-rep 5285  ax-sep 5302  ax-nul 5312  ax-pow 5371  ax-pr 5438  ax-un 7754
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-nf 1781  df-sb 2063  df-mo 2538  df-eu 2567  df-clab 2713  df-cleq 2727  df-clel 2814  df-nfc 2890  df-ne 2939  df-ral 3060  df-rex 3069  df-reu 3379  df-rab 3434  df-v 3480  df-sbc 3792  df-csb 3909  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-nul 4340  df-if 4532  df-pw 4607  df-sn 4632  df-pr 4634  df-op 4638  df-uni 4913  df-iun 4998  df-br 5149  df-opab 5211  df-mpt 5232  df-id 5583  df-xp 5695  df-rel 5696  df-cnv 5697  df-co 5698  df-dm 5699  df-rn 5700  df-res 5701  df-ima 5702  df-iota 6516  df-fun 6565  df-fn 6566  df-f 6567  df-f1 6568  df-fo 6569  df-f1o 6570  df-fv 6571  df-ov 7434  df-oprab 7435  df-mpo 7436  df-map 8867  df-aj 30779  df-ph 30842
This theorem is referenced by: (None)
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