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Mirrors > Home > HSE Home > Th. List > dmadjrnb | Structured version Visualization version GIF version |
Description: The adjoint of an operator belongs to the adjoint function's domain. (Note: the converse is dependent on our definition of function value, since it uses ndmfv 6916.) (Contributed by NM, 19-Feb-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
dmadjrnb | ⊢ (𝑇 ∈ dom adjℎ ↔ (adjℎ‘𝑇) ∈ dom adjℎ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dmadjrn 31572 | . 2 ⊢ (𝑇 ∈ dom adjℎ → (adjℎ‘𝑇) ∈ dom adjℎ) | |
2 | ax-hv0cl 30680 | . . . . . . . . 9 ⊢ 0ℎ ∈ ℋ | |
3 | 2 | n0ii 4328 | . . . . . . . 8 ⊢ ¬ ℋ = ∅ |
4 | eqcom 2731 | . . . . . . . 8 ⊢ (∅ = ℋ ↔ ℋ = ∅) | |
5 | 3, 4 | mtbir 323 | . . . . . . 7 ⊢ ¬ ∅ = ℋ |
6 | dm0 5910 | . . . . . . . 8 ⊢ dom ∅ = ∅ | |
7 | 6 | eqeq1i 2729 | . . . . . . 7 ⊢ (dom ∅ = ℋ ↔ ∅ = ℋ) |
8 | 5, 7 | mtbir 323 | . . . . . 6 ⊢ ¬ dom ∅ = ℋ |
9 | fdm 6716 | . . . . . 6 ⊢ (∅: ℋ⟶ ℋ → dom ∅ = ℋ) | |
10 | 8, 9 | mto 196 | . . . . 5 ⊢ ¬ ∅: ℋ⟶ ℋ |
11 | dmadjop 31565 | . . . . 5 ⊢ (∅ ∈ dom adjℎ → ∅: ℋ⟶ ℋ) | |
12 | 10, 11 | mto 196 | . . . 4 ⊢ ¬ ∅ ∈ dom adjℎ |
13 | ndmfv 6916 | . . . . 5 ⊢ (¬ 𝑇 ∈ dom adjℎ → (adjℎ‘𝑇) = ∅) | |
14 | 13 | eleq1d 2810 | . . . 4 ⊢ (¬ 𝑇 ∈ dom adjℎ → ((adjℎ‘𝑇) ∈ dom adjℎ ↔ ∅ ∈ dom adjℎ)) |
15 | 12, 14 | mtbiri 327 | . . 3 ⊢ (¬ 𝑇 ∈ dom adjℎ → ¬ (adjℎ‘𝑇) ∈ dom adjℎ) |
16 | 15 | con4i 114 | . 2 ⊢ ((adjℎ‘𝑇) ∈ dom adjℎ → 𝑇 ∈ dom adjℎ) |
17 | 1, 16 | impbii 208 | 1 ⊢ (𝑇 ∈ dom adjℎ ↔ (adjℎ‘𝑇) ∈ dom adjℎ) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 ↔ wb 205 = wceq 1533 ∈ wcel 2098 ∅c0 4314 dom cdm 5666 ⟶wf 6529 ‘cfv 6533 ℋchba 30596 0ℎc0v 30601 adjℎcado 30632 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2695 ax-sep 5289 ax-nul 5296 ax-pow 5353 ax-pr 5417 ax-un 7718 ax-resscn 11162 ax-1cn 11163 ax-icn 11164 ax-addcl 11165 ax-addrcl 11166 ax-mulcl 11167 ax-mulrcl 11168 ax-mulcom 11169 ax-addass 11170 ax-mulass 11171 ax-distr 11172 ax-i2m1 11173 ax-1ne0 11174 ax-1rid 11175 ax-rnegex 11176 ax-rrecex 11177 ax-cnre 11178 ax-pre-lttri 11179 ax-pre-lttrn 11180 ax-pre-ltadd 11181 ax-pre-mulgt0 11182 ax-hilex 30676 ax-hfvadd 30677 ax-hvcom 30678 ax-hvass 30679 ax-hv0cl 30680 ax-hvaddid 30681 ax-hfvmul 30682 ax-hvmulid 30683 ax-hvdistr2 30686 ax-hvmul0 30687 ax-hfi 30756 ax-his1 30759 ax-his2 30760 ax-his3 30761 ax-his4 30762 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2526 df-eu 2555 df-clab 2702 df-cleq 2716 df-clel 2802 df-nfc 2877 df-ne 2933 df-nel 3039 df-ral 3054 df-rex 3063 df-rmo 3368 df-reu 3369 df-rab 3425 df-v 3468 df-sbc 3770 df-csb 3886 df-dif 3943 df-un 3945 df-in 3947 df-ss 3957 df-nul 4315 df-if 4521 df-pw 4596 df-sn 4621 df-pr 4623 df-op 4627 df-uni 4900 df-iun 4989 df-br 5139 df-opab 5201 df-mpt 5222 df-id 5564 df-po 5578 df-so 5579 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6485 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7357 df-ov 7404 df-oprab 7405 df-mpo 7406 df-er 8698 df-map 8817 df-en 8935 df-dom 8936 df-sdom 8937 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11442 df-neg 11443 df-div 11868 df-2 12271 df-cj 15042 df-re 15043 df-im 15044 df-hvsub 30648 df-adjh 31526 |
This theorem is referenced by: adjbdlnb 31761 adjeq0 31768 |
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