![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > fmpt3d | Structured version Visualization version GIF version |
Description: Domain and codomain of the mapping operation; deduction form. (Contributed by Thierry Arnoux, 4-Jun-2017.) |
Ref | Expression |
---|---|
fmpt3d.1 | ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵)) |
fmpt3d.2 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ 𝐶) |
Ref | Expression |
---|---|
fmpt3d | ⊢ (𝜑 → 𝐹:𝐴⟶𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fmpt3d.2 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ 𝐶) | |
2 | 1 | fmpttd 6856 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶) |
3 | fmpt3d.1 | . . 3 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵)) | |
4 | 3 | feq1d 6472 | . 2 ⊢ (𝜑 → (𝐹:𝐴⟶𝐶 ↔ (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶)) |
5 | 2, 4 | mpbird 260 | 1 ⊢ (𝜑 → 𝐹:𝐴⟶𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 ↦ cmpt 5110 ⟶wf 6320 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pr 5295 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-sbc 3721 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-fv 6332 |
This theorem is referenced by: fmptco 6868 off 7404 caofinvl 7416 curry1f 7784 curry2f 7786 fseqenlem1 9435 pfxf 14033 rpnnen2lem2 15560 1arithlem3 16251 homaf 17282 funcestrcsetclem3 17384 funcsetcestrclem3 17398 prfcl 17445 curf1cl 17470 yonedainv 17523 vrmdf 18015 pmtrf 18575 psgnunilem5 18614 pj1f 18815 vrgpf 18886 gsummptfsadd 19037 gsummptfssub 19062 lspf 19739 uvcff 20480 subrgpsr 20657 mvrf 20662 cpm2mf 21357 nmf2 23199 nmof 23325 cphnmf 23800 rrxcph 23996 uniioombllem2 24187 mbfi1fseqlem3 24321 itg2cnlem1 24365 dvmptco 24575 dvle 24610 taylpf 24961 ulmshftlem 24984 ulmshft 24985 ulmdvlem1 24995 psergf 25007 pserdvlem2 25023 logbf 25375 lmif 26579 vtxdgf 27261 brafn 29730 kbop 29736 off2 30402 ofoprabco 30427 tocycf 30809 sgnsf 30854 qqhf 31337 indf 31384 esumcocn 31449 ofcf 31472 mbfmcst 31627 dstrvprob 31839 dstfrvclim1 31845 signstf 31946 fsovfd 40713 dssmapnvod 40721 binomcxplemnotnn0 41060 sge0seq 43085 hoicvrrex 43195 |
Copyright terms: Public domain | W3C validator |