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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 6983 | . 2 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝐴 ∈ ℋ) → ((𝑆 ∘ 𝑇)‘𝐴) = (𝑆‘(𝑇‘𝐴))) | |
| 3 | 1, 2 | mpan 702 | 1 ⊢ (𝐴 ∈ ℋ → ((𝑆 ∘ 𝑇)‘𝐴) = (𝑆‘(𝑇‘𝐴))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1570 ∈ wcel 2143 ∘ ccom 5667 ⟶wf 6534 ‘cfv 6538 ℋchba 31252 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pr 5406 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-fv 6546 |
| This theorem is referenced by: hococli 32098 hocadddiri 32112 hocsubdiri 32113 ho2coi 32114 ho0coi 32121 hoid1i 32122 hoid1ri 32123 hoddii 32322 lnopcoi 32336 lnopco0i 32337 nmopcoi 32428 adjcoi 32433 nmopcoadji 32434 hmopidmchi 32484 hmopidmpji 32485 pjsdii 32488 pjddii 32489 pjcoi 32491 pjcohocli 32536 pjadj2coi 32537 pj3lem1 32539 |
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