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Theorem adjsym 31919
Description: Symmetry property of an adjoint. (Contributed by NM, 18-Feb-2006.) (New usage is discouraged.)
Assertion
Ref Expression
adjsym ((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) → (∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih (𝑆𝑦)) = ((𝑇𝑥) ·ih 𝑦) ↔ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih (𝑇𝑦)) = ((𝑆𝑥) ·ih 𝑦)))
Distinct variable groups:   𝑥,𝑦,𝑆   𝑥,𝑇,𝑦

Proof of Theorem adjsym
Dummy variable 𝑧 is distinct from all other variables.
StepHypRef Expression
1 ralcom 3266 . . . 4 (∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih (𝑆𝑦)) = ((𝑇𝑥) ·ih 𝑦) ↔ ∀𝑦 ∈ ℋ ∀𝑥 ∈ ℋ (𝑥 ·ih (𝑆𝑦)) = ((𝑇𝑥) ·ih 𝑦))
2 fveq2 6834 . . . . . . . 8 (𝑧 = 𝑦 → (𝑆𝑧) = (𝑆𝑦))
32oveq2d 7376 . . . . . . 7 (𝑧 = 𝑦 → (𝑥 ·ih (𝑆𝑧)) = (𝑥 ·ih (𝑆𝑦)))
4 oveq2 7368 . . . . . . 7 (𝑧 = 𝑦 → ((𝑇𝑥) ·ih 𝑧) = ((𝑇𝑥) ·ih 𝑦))
53, 4eqeq12d 2753 . . . . . 6 (𝑧 = 𝑦 → ((𝑥 ·ih (𝑆𝑧)) = ((𝑇𝑥) ·ih 𝑧) ↔ (𝑥 ·ih (𝑆𝑦)) = ((𝑇𝑥) ·ih 𝑦)))
65ralbidv 3161 . . . . 5 (𝑧 = 𝑦 → (∀𝑥 ∈ ℋ (𝑥 ·ih (𝑆𝑧)) = ((𝑇𝑥) ·ih 𝑧) ↔ ∀𝑥 ∈ ℋ (𝑥 ·ih (𝑆𝑦)) = ((𝑇𝑥) ·ih 𝑦)))
76cbvralvw 3216 . . . 4 (∀𝑧 ∈ ℋ ∀𝑥 ∈ ℋ (𝑥 ·ih (𝑆𝑧)) = ((𝑇𝑥) ·ih 𝑧) ↔ ∀𝑦 ∈ ℋ ∀𝑥 ∈ ℋ (𝑥 ·ih (𝑆𝑦)) = ((𝑇𝑥) ·ih 𝑦))
81, 7bitr4i 278 . . 3 (∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih (𝑆𝑦)) = ((𝑇𝑥) ·ih 𝑦) ↔ ∀𝑧 ∈ ℋ ∀𝑥 ∈ ℋ (𝑥 ·ih (𝑆𝑧)) = ((𝑇𝑥) ·ih 𝑧))
9 oveq1 7367 . . . . . 6 (𝑥 = 𝑦 → (𝑥 ·ih (𝑆𝑧)) = (𝑦 ·ih (𝑆𝑧)))
10 fveq2 6834 . . . . . . 7 (𝑥 = 𝑦 → (𝑇𝑥) = (𝑇𝑦))
1110oveq1d 7375 . . . . . 6 (𝑥 = 𝑦 → ((𝑇𝑥) ·ih 𝑧) = ((𝑇𝑦) ·ih 𝑧))
129, 11eqeq12d 2753 . . . . 5 (𝑥 = 𝑦 → ((𝑥 ·ih (𝑆𝑧)) = ((𝑇𝑥) ·ih 𝑧) ↔ (𝑦 ·ih (𝑆𝑧)) = ((𝑇𝑦) ·ih 𝑧)))
1312cbvralvw 3216 . . . 4 (∀𝑥 ∈ ℋ (𝑥 ·ih (𝑆𝑧)) = ((𝑇𝑥) ·ih 𝑧) ↔ ∀𝑦 ∈ ℋ (𝑦 ·ih (𝑆𝑧)) = ((𝑇𝑦) ·ih 𝑧))
1413ralbii 3084 . . 3 (∀𝑧 ∈ ℋ ∀𝑥 ∈ ℋ (𝑥 ·ih (𝑆𝑧)) = ((𝑇𝑥) ·ih 𝑧) ↔ ∀𝑧 ∈ ℋ ∀𝑦 ∈ ℋ (𝑦 ·ih (𝑆𝑧)) = ((𝑇𝑦) ·ih 𝑧))
15 fveq2 6834 . . . . . . 7 (𝑧 = 𝑥 → (𝑆𝑧) = (𝑆𝑥))
1615oveq2d 7376 . . . . . 6 (𝑧 = 𝑥 → (𝑦 ·ih (𝑆𝑧)) = (𝑦 ·ih (𝑆𝑥)))
17 oveq2 7368 . . . . . 6 (𝑧 = 𝑥 → ((𝑇𝑦) ·ih 𝑧) = ((𝑇𝑦) ·ih 𝑥))
1816, 17eqeq12d 2753 . . . . 5 (𝑧 = 𝑥 → ((𝑦 ·ih (𝑆𝑧)) = ((𝑇𝑦) ·ih 𝑧) ↔ (𝑦 ·ih (𝑆𝑥)) = ((𝑇𝑦) ·ih 𝑥)))
1918ralbidv 3161 . . . 4 (𝑧 = 𝑥 → (∀𝑦 ∈ ℋ (𝑦 ·ih (𝑆𝑧)) = ((𝑇𝑦) ·ih 𝑧) ↔ ∀𝑦 ∈ ℋ (𝑦 ·ih (𝑆𝑥)) = ((𝑇𝑦) ·ih 𝑥)))
2019cbvralvw 3216 . . 3 (∀𝑧 ∈ ℋ ∀𝑦 ∈ ℋ (𝑦 ·ih (𝑆𝑧)) = ((𝑇𝑦) ·ih 𝑧) ↔ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑦 ·ih (𝑆𝑥)) = ((𝑇𝑦) ·ih 𝑥))
218, 14, 203bitri 297 . 2 (∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih (𝑆𝑦)) = ((𝑇𝑥) ·ih 𝑦) ↔ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑦 ·ih (𝑆𝑥)) = ((𝑇𝑦) ·ih 𝑥))
22 ffvelcdm 7027 . . . . . . . . . . . 12 ((𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ) → (𝑇𝑦) ∈ ℋ)
23 ax-his1 31168 . . . . . . . . . . . 12 (((𝑇𝑦) ∈ ℋ ∧ 𝑥 ∈ ℋ) → ((𝑇𝑦) ·ih 𝑥) = (∗‘(𝑥 ·ih (𝑇𝑦))))
2422, 23sylan 581 . . . . . . . . . . 11 (((𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ) ∧ 𝑥 ∈ ℋ) → ((𝑇𝑦) ·ih 𝑥) = (∗‘(𝑥 ·ih (𝑇𝑦))))
2524adantrl 717 . . . . . . . . . 10 (((𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ) ∧ (𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ)) → ((𝑇𝑦) ·ih 𝑥) = (∗‘(𝑥 ·ih (𝑇𝑦))))
26 ffvelcdm 7027 . . . . . . . . . . . 12 ((𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (𝑆𝑥) ∈ ℋ)
27 ax-his1 31168 . . . . . . . . . . . 12 ((𝑦 ∈ ℋ ∧ (𝑆𝑥) ∈ ℋ) → (𝑦 ·ih (𝑆𝑥)) = (∗‘((𝑆𝑥) ·ih 𝑦)))
2826, 27sylan2 594 . . . . . . . . . . 11 ((𝑦 ∈ ℋ ∧ (𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ)) → (𝑦 ·ih (𝑆𝑥)) = (∗‘((𝑆𝑥) ·ih 𝑦)))
2928adantll 715 . . . . . . . . . 10 (((𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ) ∧ (𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ)) → (𝑦 ·ih (𝑆𝑥)) = (∗‘((𝑆𝑥) ·ih 𝑦)))
3025, 29eqeq12d 2753 . . . . . . . . 9 (((𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ) ∧ (𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ)) → (((𝑇𝑦) ·ih 𝑥) = (𝑦 ·ih (𝑆𝑥)) ↔ (∗‘(𝑥 ·ih (𝑇𝑦))) = (∗‘((𝑆𝑥) ·ih 𝑦))))
3130ancoms 458 . . . . . . . 8 (((𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) ∧ (𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ)) → (((𝑇𝑦) ·ih 𝑥) = (𝑦 ·ih (𝑆𝑥)) ↔ (∗‘(𝑥 ·ih (𝑇𝑦))) = (∗‘((𝑆𝑥) ·ih 𝑦))))
32 hicl 31166 . . . . . . . . . . 11 ((𝑥 ∈ ℋ ∧ (𝑇𝑦) ∈ ℋ) → (𝑥 ·ih (𝑇𝑦)) ∈ ℂ)
3322, 32sylan2 594 . . . . . . . . . 10 ((𝑥 ∈ ℋ ∧ (𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ)) → (𝑥 ·ih (𝑇𝑦)) ∈ ℂ)
3433adantll 715 . . . . . . . . 9 (((𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) ∧ (𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ)) → (𝑥 ·ih (𝑇𝑦)) ∈ ℂ)
35 hicl 31166 . . . . . . . . . . 11 (((𝑆𝑥) ∈ ℋ ∧ 𝑦 ∈ ℋ) → ((𝑆𝑥) ·ih 𝑦) ∈ ℂ)
3626, 35sylan 581 . . . . . . . . . 10 (((𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) ∧ 𝑦 ∈ ℋ) → ((𝑆𝑥) ·ih 𝑦) ∈ ℂ)
3736adantrl 717 . . . . . . . . 9 (((𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) ∧ (𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ)) → ((𝑆𝑥) ·ih 𝑦) ∈ ℂ)
38 cj11 15115 . . . . . . . . 9 (((𝑥 ·ih (𝑇𝑦)) ∈ ℂ ∧ ((𝑆𝑥) ·ih 𝑦) ∈ ℂ) → ((∗‘(𝑥 ·ih (𝑇𝑦))) = (∗‘((𝑆𝑥) ·ih 𝑦)) ↔ (𝑥 ·ih (𝑇𝑦)) = ((𝑆𝑥) ·ih 𝑦)))
3934, 37, 38syl2anc 585 . . . . . . . 8 (((𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) ∧ (𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ)) → ((∗‘(𝑥 ·ih (𝑇𝑦))) = (∗‘((𝑆𝑥) ·ih 𝑦)) ↔ (𝑥 ·ih (𝑇𝑦)) = ((𝑆𝑥) ·ih 𝑦)))
4031, 39bitr2d 280 . . . . . . 7 (((𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) ∧ (𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ)) → ((𝑥 ·ih (𝑇𝑦)) = ((𝑆𝑥) ·ih 𝑦) ↔ ((𝑇𝑦) ·ih 𝑥) = (𝑦 ·ih (𝑆𝑥))))
4140an4s 661 . . . . . 6 (((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) ∧ (𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ)) → ((𝑥 ·ih (𝑇𝑦)) = ((𝑆𝑥) ·ih 𝑦) ↔ ((𝑇𝑦) ·ih 𝑥) = (𝑦 ·ih (𝑆𝑥))))
4241anassrs 467 . . . . 5 ((((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) ∧ 𝑥 ∈ ℋ) ∧ 𝑦 ∈ ℋ) → ((𝑥 ·ih (𝑇𝑦)) = ((𝑆𝑥) ·ih 𝑦) ↔ ((𝑇𝑦) ·ih 𝑥) = (𝑦 ·ih (𝑆𝑥))))
43 eqcom 2744 . . . . 5 (((𝑇𝑦) ·ih 𝑥) = (𝑦 ·ih (𝑆𝑥)) ↔ (𝑦 ·ih (𝑆𝑥)) = ((𝑇𝑦) ·ih 𝑥))
4442, 43bitrdi 287 . . . 4 ((((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) ∧ 𝑥 ∈ ℋ) ∧ 𝑦 ∈ ℋ) → ((𝑥 ·ih (𝑇𝑦)) = ((𝑆𝑥) ·ih 𝑦) ↔ (𝑦 ·ih (𝑆𝑥)) = ((𝑇𝑦) ·ih 𝑥)))
4544ralbidva 3159 . . 3 (((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) ∧ 𝑥 ∈ ℋ) → (∀𝑦 ∈ ℋ (𝑥 ·ih (𝑇𝑦)) = ((𝑆𝑥) ·ih 𝑦) ↔ ∀𝑦 ∈ ℋ (𝑦 ·ih (𝑆𝑥)) = ((𝑇𝑦) ·ih 𝑥)))
4645ralbidva 3159 . 2 ((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) → (∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih (𝑇𝑦)) = ((𝑆𝑥) ·ih 𝑦) ↔ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑦 ·ih (𝑆𝑥)) = ((𝑇𝑦) ·ih 𝑥)))
4721, 46bitr4id 290 1 ((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) → (∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih (𝑆𝑦)) = ((𝑇𝑥) ·ih 𝑦) ↔ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih (𝑇𝑦)) = ((𝑆𝑥) ·ih 𝑦)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395   = wceq 1542  wcel 2114  wral 3052  wf 6488  cfv 6492  (class class class)co 7360  cc 11027  ccj 15049  chba 31005   ·ih csp 31008
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5231  ax-nul 5241  ax-pow 5302  ax-pr 5370  ax-un 7682  ax-resscn 11086  ax-1cn 11087  ax-icn 11088  ax-addcl 11089  ax-addrcl 11090  ax-mulcl 11091  ax-mulrcl 11092  ax-mulcom 11093  ax-addass 11094  ax-mulass 11095  ax-distr 11096  ax-i2m1 11097  ax-1ne0 11098  ax-1rid 11099  ax-rnegex 11100  ax-rrecex 11101  ax-cnre 11102  ax-pre-lttri 11103  ax-pre-lttrn 11104  ax-pre-ltadd 11105  ax-pre-mulgt0 11106  ax-hfi 31165  ax-his1 31168
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-nel 3038  df-ral 3053  df-rex 3063  df-rmo 3343  df-reu 3344  df-rab 3391  df-v 3432  df-sbc 3730  df-csb 3839  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-pss 3910  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-op 4575  df-uni 4852  df-iun 4936  df-br 5087  df-opab 5149  df-mpt 5168  df-tr 5194  df-id 5519  df-eprel 5524  df-po 5532  df-so 5533  df-fr 5577  df-we 5579  df-xp 5630  df-rel 5631  df-cnv 5632  df-co 5633  df-dm 5634  df-rn 5635  df-res 5636  df-ima 5637  df-pred 6259  df-ord 6320  df-on 6321  df-lim 6322  df-suc 6323  df-iota 6448  df-fun 6494  df-fn 6495  df-f 6496  df-f1 6497  df-fo 6498  df-f1o 6499  df-fv 6500  df-riota 7317  df-ov 7363  df-oprab 7364  df-mpo 7365  df-om 7811  df-2nd 7936  df-frecs 8224  df-wrecs 8255  df-recs 8304  df-rdg 8342  df-er 8636  df-en 8887  df-dom 8888  df-sdom 8889  df-pnf 11172  df-mnf 11173  df-xr 11174  df-ltxr 11175  df-le 11176  df-sub 11370  df-neg 11371  df-div 11799  df-nn 12166  df-2 12235  df-cj 15052  df-re 15053  df-im 15054
This theorem is referenced by:  dfadj2  31971  adjval2  31977  cnlnadjeui  32163  cnlnssadj  32166  adjbdln  32169
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