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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 6927. (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 6927 | . 2 ⊢ ((𝐺:𝐴⟶𝐵 ∧ 𝐶 ∈ 𝐴) → ((𝐹 ∘ 𝐺)‘𝐶) = (𝐹‘(𝐺‘𝐶))) | |
| 4 | 1, 2, 3 | syl2anc 590 | 1 ⊢ (𝜑 → ((𝐹 ∘ 𝐺)‘𝐶) = (𝐹‘(𝐺‘𝐶))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 ∈ wcel 2119 ∘ ccom 5622 ⟶wf 6481 ‘cfv 6485 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-nul 5228 ax-pr 5362 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-ne 2935 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-opab 5135 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-fv 6493 |
| This theorem is referenced by: opco1 8062 opco2 8063 suppcoss 8147 wemapwe 9609 canthp1lem2 10567 yonedainv 18238 frgpcyg 21548 rhmcomulmpl 22100 selvvvval 22118 psdmplcl 22150 comet 24496 dvcobr 25931 ofrco 32702 constcof 32713 gsumpart 33144 pmtrcnel 33170 elrgspnlem1 33323 mplasclco 33700 selvply1rhmlem2 33705 esplymhp 33752 esplyfv1 33753 esplyfv 33754 esplyfval3 33756 subfacp1lem5 35412 aks5lem3a 42674 rhmcomulpsr 43032 evlselv 43039 extoimad 44608 imo72b2lem0 44609 imo72b2lem1 44613 chnsubseq 47325 fcores 47530 fcoresf1lem 47531 grimco 48380 upgrimwlklem5 48392 upgrimpthslem2 48399 upgrimcycls 48402 uspgrlimlem3 48481 fuco111x 49821 fuco112xa 49823 fuco11idx 49825 fuco22natlem3 49834 fuco22natlem 49835 fucoid 49838 fucocolem4 49846 fucolid 49851 fucorid 49852 precofvallem 49856 prcof22a 49882 |
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