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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 6979. (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 6979 | . 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 1567 ∈ wcel 2149 ∘ ccom 5663 ⟶wf 6530 ‘cfv 6534 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pr 5402 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6490 df-fun 6536 df-fn 6537 df-f 6538 df-fv 6542 |
| This theorem is referenced by: opco1 8114 opco2 8115 suppcoss 8199 wemapwe 9662 canthp1lem2 10634 yonedainv 18333 frgpcyg 21688 rhmcomulmpl 22240 selvvvval 22258 psdmplcl 22290 comet 24635 dvcobr 26070 ofrco 32892 constcof 32903 gsumpart 33320 pmtrcnel 33346 elrgspnlem1 33499 mplasclco 33847 selvply1rhmlem2 33852 esplymhp 33899 esplyfv1 33900 esplyfv 33901 esplyfval3 33903 subfacp1lem5 35571 aks5lem3a 42841 rhmcomulpsr 43201 evlselv 43208 extoimad 44777 imo72b2lem0 44778 imo72b2lem1 44782 chnsubseq 47483 fcores 47688 fcoresf1lem 47689 grimco 48538 upgrimwlklem5 48550 upgrimpthslem2 48557 upgrimcycls 48560 uspgrlimlem3 48639 fuco111x 49989 fuco112xa 49991 fuco11idx 49993 fuco22natlem3 50002 fuco22natlem 50003 fucoid 50006 fucocolem4 50014 fucolid 50019 fucorid 50020 precofvallem 50024 prcof22a 50050 |
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