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| Mirrors > Home > MPE Home > Th. List > fvco3d | Structured version Visualization version GIF version | ||
| Description: Value of a function composition. Deduction form of fvco3 6981. (Contributed by Stanislas Polu, 9-Mar-2020.) |
| Ref | Expression |
|---|---|
| fvco3d.1 | ⊢ (𝜑 → 𝐺:𝐴⟶𝐵) |
| fvco3d.2 | ⊢ (𝜑 → 𝐶 ∈ 𝐴) |
| Ref | Expression |
|---|---|
| fvco3d | ⊢ (𝜑 → ((𝐹 ∘ 𝐺)‘𝐶) = (𝐹‘(𝐺‘𝐶))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvco3d.1 | . 2 ⊢ (𝜑 → 𝐺:𝐴⟶𝐵) | |
| 2 | fvco3d.2 | . 2 ⊢ (𝜑 → 𝐶 ∈ 𝐴) | |
| 3 | fvco3 6981 | . 2 ⊢ ((𝐺:𝐴⟶𝐵 ∧ 𝐶 ∈ 𝐴) → ((𝐹 ∘ 𝐺)‘𝐶) = (𝐹‘(𝐺‘𝐶))) | |
| 4 | 1, 2, 3 | syl2anc 595 | 1 ⊢ (𝜑 → ((𝐹 ∘ 𝐺)‘𝐶) = (𝐹‘(𝐺‘𝐶))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1570 ∈ wcel 2143 ∘ ccom 5665 ⟶wf 6532 ‘cfv 6536 |
| 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 5257 ax-nul 5269 ax-pr 5404 |
| 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 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-fv 6544 |
| This theorem is referenced by: opco1 8114 opco2 8115 suppcoss 8199 wemapwe 9662 canthp1lem2 10633 yonedainv 18332 frgpcyg 21723 rhmcomulmpl 22275 selvvvval 22293 psdmplcl 22325 comet 24670 dvcobr 26105 ofrco 32955 constcof 32966 gsumpart 33383 pmtrcnel 33409 elrgspnlem1 33562 mplasclco 33906 selvply1rhmlem2 33911 esplymhp 33958 esplyfv1 33959 esplyfv 33960 esplyfval3 33962 subfacp1lem5 35676 aks5lem3a 42956 rhmcomulpsr 43314 evlselv 43321 extoimad 44890 imo72b2lem0 44891 imo72b2lem1 44895 chnsubseq 47596 fcores 47804 fcoresf1lem 47805 grimco 48654 upgrimwlklem5 48666 upgrimpthslem2 48673 upgrimcycls 48676 uspgrlimlem3 48755 fuco111x 50109 fuco112xa 50111 fuco11idx 50113 fuco22natlem3 50122 fuco22natlem 50123 fucoid 50126 fucocolem4 50134 fucolid 50139 fucorid 50140 precofvallem 50144 prcof22a 50170 |
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