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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 6948.) (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 32554 | . 2 ⊢ (𝑇 ∈ dom adjℎ → (adjℎ‘𝑇) ∈ dom adjℎ) | |
| 2 | ax-hv0cl 31662 | . . . . . . . . 9 ⊢ 0ℎ ∈ ℋ | |
| 3 | 2 | n0ii 4292 | . . . . . . . 8 ⊢ ¬ ℋ = ∅ |
| 4 | eqcom 2770 | . . . . . . . 8 ⊢ (∅ = ℋ ↔ ℋ = ∅) | |
| 5 | 3, 4 | mtbir 326 | . . . . . . 7 ⊢ ¬ ∅ = ℋ |
| 6 | dm0 5914 | . . . . . . . 8 ⊢ dom ∅ = ∅ | |
| 7 | 6 | eqeq1i 2768 | . . . . . . 7 ⊢ (dom ∅ = ℋ ↔ ∅ = ℋ) |
| 8 | 5, 7 | mtbir 326 | . . . . . 6 ⊢ ¬ dom ∅ = ℋ |
| 9 | fdm 6749 | . . . . . 6 ⊢ (∅: ℋ⟶ ℋ → dom ∅ = ℋ) | |
| 10 | 8, 9 | mto 200 | . . . . 5 ⊢ ¬ ∅: ℋ⟶ ℋ |
| 11 | dmadjop 32547 | . . . . 5 ⊢ (∅ ∈ dom adjℎ → ∅: ℋ⟶ ℋ) | |
| 12 | 10, 11 | mto 200 | . . . 4 ⊢ ¬ ∅ ∈ dom adjℎ |
| 13 | ndmfv 6948 | . . . . 5 ⊢ (¬ 𝑇 ∈ dom adjℎ → (adjℎ‘𝑇) = ∅) | |
| 14 | 13 | eleq1d 2849 | . . . 4 ⊢ (¬ 𝑇 ∈ dom adjℎ → ((adjℎ‘𝑇) ∈ dom adjℎ ↔ ∅ ∈ dom adjℎ)) |
| 15 | 12, 14 | mtbiri 330 | . . 3 ⊢ (¬ 𝑇 ∈ dom adjℎ → ¬ (adjℎ‘𝑇) ∈ dom adjℎ) |
| 16 | 15 | con4i 115 | . 2 ⊢ ((adjℎ‘𝑇) ∈ dom adjℎ → 𝑇 ∈ dom adjℎ) |
| 17 | 1, 16 | impbii 212 | 1 ⊢ (𝑇 ∈ dom adjℎ ↔ (adjℎ‘𝑇) ∈ dom adjℎ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 ↔ wb 209 = wceq 1570 ∈ wcel 2147 ∅c0 4281 dom cdm 5658 ⟶wf 6562 ‘cfv 6566 ℋchba 31578 0ℎc0v 31583 adjℎcado 31614 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 ax-hilex 31658 ax-hfvadd 31659 ax-hvcom 31660 ax-hvass 31661 ax-hv0cl 31662 ax-hvaddid 31663 ax-hfvmul 31664 ax-hvmulid 31665 ax-hvdistr2 31668 ax-hvmul0 31669 ax-hfi 31738 ax-his1 31741 ax-his2 31742 ax-his3 31743 ax-his4 31744 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-er 8755 df-map 8887 df-en 9012 df-dom 9013 df-sdom 9014 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-div 12014 df-nn 12376 df-2 12445 df-cj 15309 df-re 15310 df-im 15311 df-hvsub 31630 df-adjh 32508 |
| This theorem is used by: adjbdlnb 32743 adjeq0 32750 |
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