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| Mirrors > Home > HSE Home > Th. List > hocoi | Structured version Visualization version GIF version | ||
| Description: Composition of Hilbert space operators. (Contributed by NM, 12-Nov-2000.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hoeq.1 | ⊢ 𝑆: ℋ⟶ ℋ |
| hoeq.2 | ⊢ 𝑇: ℋ⟶ ℋ |
| Ref | Expression |
|---|---|
| hocoi | ⊢ (𝐴 ∈ ℋ → ((𝑆 ∘ 𝑇)‘𝐴) = (𝑆‘(𝑇‘𝐴))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hoeq.2 | . 2 ⊢ 𝑇: ℋ⟶ ℋ | |
| 2 | fvco3 6988 | . 2 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝐴 ∈ ℋ) → ((𝑆 ∘ 𝑇)‘𝐴) = (𝑆‘(𝑇‘𝐴))) | |
| 3 | 1, 2 | mpan 703 | 1 ⊢ (𝐴 ∈ ℋ → ((𝑆 ∘ 𝑇)‘𝐴) = (𝑆‘(𝑇‘𝐴))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 ∘ ccom 5670 ⟶wf 6539 ‘cfv 6543 ℋchba 31308 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pr 5409 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-ne 2962 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-opab 5179 df-id 5561 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 6499 df-fun 6545 df-fn 6546 df-f 6547 df-fv 6551 |
| This theorem is used by: hococli 32154 hocadddiri 32168 hocsubdiri 32169 ho2coi 32170 ho0coi 32177 hoid1i 32178 hoid1ri 32179 hoddii 32378 lnopcoi 32392 lnopco0i 32393 nmopcoi 32484 adjcoi 32489 nmopcoadji 32490 hmopidmchi 32540 hmopidmpji 32541 pjsdii 32544 pjddii 32545 pjcoi 32547 pjcohocli 32592 pjadj2coi 32593 pj3lem1 32595 |
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