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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 6941. (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 6941 | . 2 ⊢ ((𝐺:𝐴⟶𝐵 ∧ 𝐶 ∈ 𝐴) → ((𝐹 ∘ 𝐺)‘𝐶) = (𝐹‘(𝐺‘𝐶))) | |
| 4 | 1, 2, 3 | syl2anc 585 | 1 ⊢ (𝜑 → ((𝐹 ∘ 𝐺)‘𝐶) = (𝐹‘(𝐺‘𝐶))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ∘ ccom 5636 ⟶wf 6496 ‘cfv 6500 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pr 5379 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-fv 6508 |
| This theorem is referenced by: opco1 8075 opco2 8076 suppcoss 8159 wemapwe 9618 canthp1lem2 10576 yonedainv 18216 frgpcyg 21540 psdmplcl 22117 rhmcomulmpl 22338 comet 24469 dvcobr 25917 ofrco 32700 constcof 32711 gsumpart 33157 pmtrcnel 33183 elrgspnlem1 33336 esplymhp 33745 esplyfv1 33746 esplyfv 33747 esplyfval3 33749 subfacp1lem5 35400 aks5lem3a 42559 rhmcomulpsr 42919 selvvvval 42943 evlselv 42945 extoimad 44520 imo72b2lem0 44521 imo72b2lem1 44525 chnsubseq 47238 fcores 47427 fcoresf1lem 47428 grimco 48249 upgrimwlklem5 48261 upgrimpthslem2 48268 upgrimcycls 48271 uspgrlimlem3 48350 fuco111x 49690 fuco112xa 49692 fuco11idx 49694 fuco22natlem3 49703 fuco22natlem 49704 fucoid 49707 fucocolem4 49715 fucolid 49720 fucorid 49721 precofvallem 49725 prcof22a 49751 |
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