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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 6971 | . 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 1563 ∈ wcel 2145 ∘ ccom 5656 ⟶wf 6521 ‘cfv 6525 ℋchba 31180 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5251 ax-nul 5261 ax-pr 5395 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-ne 2961 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4869 df-br 5106 df-opab 5168 df-id 5547 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-fv 6533 |
| This theorem is referenced by: hococli 32026 hocadddiri 32040 hocsubdiri 32041 ho2coi 32042 ho0coi 32049 hoid1i 32050 hoid1ri 32051 hoddii 32250 lnopcoi 32264 lnopco0i 32265 nmopcoi 32356 adjcoi 32361 nmopcoadji 32362 hmopidmchi 32412 hmopidmpji 32413 pjsdii 32416 pjddii 32417 pjcoi 32419 pjcohocli 32464 pjadj2coi 32465 pj3lem1 32467 |
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