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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 32138 | . . . . 5 ⊢ ((𝑇 ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → ((𝑇‘𝑥) ·ih 𝑦) = (𝑥 ·ih ((adjℎ‘𝑇)‘𝑦))) | |
| 2 | dmadjrn 32099 | . . . . . 6 ⊢ (𝑇 ∈ dom adjℎ → (adjℎ‘𝑇) ∈ dom adjℎ) | |
| 3 | adj1 32137 | . . . . . 6 ⊢ (((adjℎ‘𝑇) ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih ((adjℎ‘𝑇)‘𝑦)) = (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦)) | |
| 4 | 2, 3 | syl3an1 1177 | . . . . 5 ⊢ ((𝑇 ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih ((adjℎ‘𝑇)‘𝑦)) = (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦)) |
| 5 | 1, 4 | eqtr2d 2799 | . . . 4 ⊢ ((𝑇 ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦) = ((𝑇‘𝑥) ·ih 𝑦)) |
| 6 | 5 | 3expib 1136 | . . 3 ⊢ (𝑇 ∈ dom adjℎ → ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦) = ((𝑇‘𝑥) ·ih 𝑦))) |
| 7 | 6 | ralrimivv 3204 | . 2 ⊢ (𝑇 ∈ dom adjℎ → ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦) = ((𝑇‘𝑥) ·ih 𝑦)) |
| 8 | dmadjrn 32099 | . . . 4 ⊢ ((adjℎ‘𝑇) ∈ dom adjℎ → (adjℎ‘(adjℎ‘𝑇)) ∈ dom adjℎ) | |
| 9 | dmadjop 32092 | . . . 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 32092 | . . 3 ⊢ (𝑇 ∈ dom adjℎ → 𝑇: ℋ⟶ ℋ) | |
| 12 | hoeq1 32034 | . . 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 593 | . 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 1099 = wceq 1561 ∈ wcel 2143 ∀wral 3077 dom cdm 5648 ⟶wf 6518 ‘cfv 6522 (class class class)co 7397 ℋchba 31123 ·ih csp 31126 adjℎcado 31159 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5247 ax-nul 5257 ax-pow 5323 ax-pr 5391 ax-un 7719 ax-resscn 11131 ax-1cn 11132 ax-icn 11133 ax-addcl 11134 ax-addrcl 11135 ax-mulcl 11136 ax-mulrcl 11137 ax-mulcom 11138 ax-addass 11139 ax-mulass 11140 ax-distr 11141 ax-i2m1 11142 ax-1ne0 11143 ax-1rid 11144 ax-rnegex 11145 ax-rrecex 11146 ax-cnre 11147 ax-pre-lttri 11148 ax-pre-lttrn 11149 ax-pre-ltadd 11150 ax-pre-mulgt0 11151 ax-hilex 31203 ax-hfvadd 31204 ax-hvcom 31205 ax-hvass 31206 ax-hv0cl 31207 ax-hvaddid 31208 ax-hfvmul 31209 ax-hvmulid 31210 ax-hvdistr2 31213 ax-hvmul0 31214 ax-hfi 31283 ax-his1 31286 ax-his2 31287 ax-his3 31288 ax-his4 31289 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5102 df-opab 5164 df-mpt 5183 df-tr 5209 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6289 df-ord 6350 df-on 6351 df-lim 6352 df-suc 6353 df-iota 6478 df-fun 6524 df-fn 6525 df-f 6526 df-f1 6527 df-fo 6528 df-f1o 6529 df-fv 6530 df-riota 7354 df-ov 7400 df-oprab 7401 df-mpo 7402 df-om 7848 df-2nd 7972 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8382 df-er 8679 df-map 8811 df-en 8929 df-dom 8930 df-sdom 8931 df-pnf 11219 df-mnf 11220 df-xr 11221 df-ltxr 11222 df-le 11223 df-sub 11417 df-neg 11418 df-div 11846 df-nn 12212 df-2 12281 df-cj 15127 df-re 15128 df-im 15129 df-hvsub 31175 df-adjh 32053 |
| This theorem is referenced by: adjbd1o 32289 adjsslnop 32291 nmopadji 32294 adjeq0 32295 nmopcoadji 32305 nmopcoadj2i 32306 |
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