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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 6873 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶) |
3 | fmpt3d.1 | . . 3 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵)) | |
4 | 3 | feq1d 6493 | . 2 ⊢ (𝜑 → (𝐹:𝐴⟶𝐶 ↔ (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶)) |
5 | 2, 4 | mpbird 259 | 1 ⊢ (𝜑 → 𝐹:𝐴⟶𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1533 ∈ wcel 2110 ↦ cmpt 5138 ⟶wf 6345 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pr 5321 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3772 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-fv 6357 |
This theorem is referenced by: fmptco 6885 off 7418 caofinvl 7430 curry1f 7795 curry2f 7797 fseqenlem1 9444 pfxf 14036 rpnnen2lem2 15562 1arithlem3 16255 homaf 17284 funcestrcsetclem3 17386 funcsetcestrclem3 17400 prfcl 17447 curf1cl 17472 yonedainv 17525 vrmdf 18017 pmtrf 18577 psgnunilem5 18616 pj1f 18817 vrgpf 18888 gsummptfsadd 19038 gsummptfssub 19063 lspf 19740 subrgpsr 20193 mvrf 20198 uvcff 20929 cpm2mf 21354 nmf2 23196 nmof 23322 cphnmf 23793 rrxcph 23989 uniioombllem2 24178 mbfi1fseqlem3 24312 itg2cnlem1 24356 dvmptco 24563 dvle 24598 taylpf 24948 ulmshftlem 24971 ulmshft 24972 ulmdvlem1 24982 psergf 24994 pserdvlem2 25010 logbf 25361 lmif 26565 vtxdgf 27247 brafn 29718 kbop 29724 off2 30382 ofoprabco 30403 tocycf 30754 sgnsf 30799 qqhf 31222 indf 31269 esumcocn 31334 ofcf 31357 mbfmcst 31512 dstrvprob 31724 dstfrvclim1 31730 signstf 31831 fsovfd 40351 dssmapnvod 40359 binomcxplemnotnn0 40681 sge0seq 42722 hoicvrrex 42832 |
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