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Mirrors > Home > HSE Home > Th. List > adjadj | Structured version Visualization version GIF version |
Description: Double adjoint. Theorem 3.11(iv) of [Beran] p. 106. (Contributed by NM, 15-Feb-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
adjadj | ⊢ (𝑇 ∈ dom adjℎ → (adjℎ‘(adjℎ‘𝑇)) = 𝑇) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | adj2 29705 | . . . . 5 ⊢ ((𝑇 ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → ((𝑇‘𝑥) ·ih 𝑦) = (𝑥 ·ih ((adjℎ‘𝑇)‘𝑦))) | |
2 | dmadjrn 29666 | . . . . . 6 ⊢ (𝑇 ∈ dom adjℎ → (adjℎ‘𝑇) ∈ dom adjℎ) | |
3 | adj1 29704 | . . . . . 6 ⊢ (((adjℎ‘𝑇) ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih ((adjℎ‘𝑇)‘𝑦)) = (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦)) | |
4 | 2, 3 | syl3an1 1159 | . . . . 5 ⊢ ((𝑇 ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih ((adjℎ‘𝑇)‘𝑦)) = (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦)) |
5 | 1, 4 | eqtr2d 2857 | . . . 4 ⊢ ((𝑇 ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦) = ((𝑇‘𝑥) ·ih 𝑦)) |
6 | 5 | 3expib 1118 | . . 3 ⊢ (𝑇 ∈ dom adjℎ → ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦) = ((𝑇‘𝑥) ·ih 𝑦))) |
7 | 6 | ralrimivv 3190 | . 2 ⊢ (𝑇 ∈ dom adjℎ → ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦) = ((𝑇‘𝑥) ·ih 𝑦)) |
8 | dmadjrn 29666 | . . . 4 ⊢ ((adjℎ‘𝑇) ∈ dom adjℎ → (adjℎ‘(adjℎ‘𝑇)) ∈ dom adjℎ) | |
9 | dmadjop 29659 | . . . 4 ⊢ ((adjℎ‘(adjℎ‘𝑇)) ∈ dom adjℎ → (adjℎ‘(adjℎ‘𝑇)): ℋ⟶ ℋ) | |
10 | 2, 8, 9 | 3syl 18 | . . 3 ⊢ (𝑇 ∈ dom adjℎ → (adjℎ‘(adjℎ‘𝑇)): ℋ⟶ ℋ) |
11 | dmadjop 29659 | . . 3 ⊢ (𝑇 ∈ dom adjℎ → 𝑇: ℋ⟶ ℋ) | |
12 | hoeq1 29601 | . . 3 ⊢ (((adjℎ‘(adjℎ‘𝑇)): ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) → (∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦) = ((𝑇‘𝑥) ·ih 𝑦) ↔ (adjℎ‘(adjℎ‘𝑇)) = 𝑇)) | |
13 | 10, 11, 12 | syl2anc 586 | . 2 ⊢ (𝑇 ∈ dom adjℎ → (∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦) = ((𝑇‘𝑥) ·ih 𝑦) ↔ (adjℎ‘(adjℎ‘𝑇)) = 𝑇)) |
14 | 7, 13 | mpbid 234 | 1 ⊢ (𝑇 ∈ dom adjℎ → (adjℎ‘(adjℎ‘𝑇)) = 𝑇) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ w3a 1083 = wceq 1533 ∈ wcel 2110 ∀wral 3138 dom cdm 5549 ⟶wf 6345 ‘cfv 6349 (class class class)co 7150 ℋchba 28690 ·ih csp 28693 adjℎcado 28726 |
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 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 ax-hilex 28770 ax-hfvadd 28771 ax-hvcom 28772 ax-hvass 28773 ax-hv0cl 28774 ax-hvaddid 28775 ax-hfvmul 28776 ax-hvmulid 28777 ax-hvdistr2 28780 ax-hvmul0 28781 ax-hfi 28850 ax-his1 28853 ax-his2 28854 ax-his3 28855 ax-his4 28856 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-iun 4913 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-po 5468 df-so 5469 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-er 8283 df-map 8402 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-div 11292 df-2 11694 df-cj 14452 df-re 14453 df-im 14454 df-hvsub 28742 df-adjh 29620 |
This theorem is referenced by: adjbd1o 29856 adjsslnop 29858 nmopadji 29861 adjeq0 29862 nmopcoadji 29872 nmopcoadj2i 29873 |
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