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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 32026 | . . . . 5 ⊢ ((𝑇 ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → ((𝑇‘𝑥) ·ih 𝑦) = (𝑥 ·ih ((adjℎ‘𝑇)‘𝑦))) | |
| 2 | dmadjrn 31987 | . . . . . 6 ⊢ (𝑇 ∈ dom adjℎ → (adjℎ‘𝑇) ∈ dom adjℎ) | |
| 3 | adj1 32025 | . . . . . 6 ⊢ (((adjℎ‘𝑇) ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih ((adjℎ‘𝑇)‘𝑦)) = (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦)) | |
| 4 | 2, 3 | syl3an1 1164 | . . . . 5 ⊢ ((𝑇 ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih ((adjℎ‘𝑇)‘𝑦)) = (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦)) |
| 5 | 1, 4 | eqtr2d 2773 | . . . 4 ⊢ ((𝑇 ∈ dom adjℎ ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦) = ((𝑇‘𝑥) ·ih 𝑦)) |
| 6 | 5 | 3expib 1123 | . . 3 ⊢ (𝑇 ∈ dom adjℎ → ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦) = ((𝑇‘𝑥) ·ih 𝑦))) |
| 7 | 6 | ralrimivv 3179 | . 2 ⊢ (𝑇 ∈ dom adjℎ → ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (((adjℎ‘(adjℎ‘𝑇))‘𝑥) ·ih 𝑦) = ((𝑇‘𝑥) ·ih 𝑦)) |
| 8 | dmadjrn 31987 | . . . 4 ⊢ ((adjℎ‘𝑇) ∈ dom adjℎ → (adjℎ‘(adjℎ‘𝑇)) ∈ dom adjℎ) | |
| 9 | dmadjop 31980 | . . . 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 31980 | . . 3 ⊢ (𝑇 ∈ dom adjℎ → 𝑇: ℋ⟶ ℋ) | |
| 12 | hoeq1 31922 | . . 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 585 | . 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 232 | 1 ⊢ (𝑇 ∈ dom adjℎ → (adjℎ‘(adjℎ‘𝑇)) = 𝑇) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ∀wral 3052 dom cdm 5632 ⟶wf 6496 ‘cfv 6500 (class class class)co 7368 ℋchba 31011 ·ih csp 31014 adjℎcado 31047 |
| 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 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-hilex 31091 ax-hfvadd 31092 ax-hvcom 31093 ax-hvass 31094 ax-hv0cl 31095 ax-hvaddid 31096 ax-hfvmul 31097 ax-hvmulid 31098 ax-hvdistr2 31101 ax-hvmul0 31102 ax-hfi 31171 ax-his1 31174 ax-his2 31175 ax-his3 31176 ax-his4 31177 |
| 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 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-er 8645 df-map 8777 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-div 11807 df-nn 12158 df-2 12220 df-cj 15034 df-re 15035 df-im 15036 df-hvsub 31063 df-adjh 31941 |
| This theorem is referenced by: adjbd1o 32177 adjsslnop 32179 nmopadji 32182 adjeq0 32183 nmopcoadji 32193 nmopcoadj2i 32194 |
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