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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 6962. (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 6962 | . 2 ⊢ ((𝐺:𝐴⟶𝐵 ∧ 𝐶 ∈ 𝐴) → ((𝐹 ∘ 𝐺)‘𝐶) = (𝐹‘(𝐺‘𝐶))) | |
| 4 | 1, 2, 3 | syl2anc 593 | 1 ⊢ (𝜑 → ((𝐹 ∘ 𝐺)‘𝐶) = (𝐹‘(𝐺‘𝐶))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 ∈ wcel 2141 ∘ ccom 5647 ⟶wf 6512 ‘cfv 6516 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5243 ax-nul 5253 ax-pr 5387 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-ne 2957 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4478 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-br 5098 df-opab 5160 df-id 5538 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-fv 6524 |
| This theorem is referenced by: opco1 8096 opco2 8097 suppcoss 8181 wemapwe 9646 canthp1lem2 10605 yonedainv 18304 frgpcyg 21613 rhmcomulmpl 22165 selvvvval 22183 psdmplcl 22215 comet 24561 dvcobr 25996 ofrco 32773 constcof 32784 gsumpart 33204 pmtrcnel 33230 elrgspnlem1 33384 mplasclco 33774 selvply1rhmlem2 33779 esplymhp 33826 esplyfv1 33827 esplyfv 33828 esplyfval3 33830 subfacp1lem5 35495 aks5lem3a 42767 rhmcomulpsr 43125 evlselv 43132 extoimad 44701 imo72b2lem0 44702 imo72b2lem1 44706 chnsubseq 47417 fcores 47622 fcoresf1lem 47623 grimco 48472 upgrimwlklem5 48484 upgrimpthslem2 48491 upgrimcycls 48494 uspgrlimlem3 48573 fuco111x 49913 fuco112xa 49915 fuco11idx 49917 fuco22natlem3 49926 fuco22natlem 49927 fucoid 49930 fucocolem4 49938 fucolid 49943 fucorid 49944 precofvallem 49948 prcof22a 49974 |
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