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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 7069 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶) |
| 3 | fmpt3d.1 | . . 3 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵)) | |
| 4 | 3 | feq1d 6652 | . 2 ⊢ (𝜑 → (𝐹:𝐴⟶𝐶 ↔ (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶)) |
| 5 | 2, 4 | mpbird 257 | 1 ⊢ (𝜑 → 𝐹:𝐴⟶𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ↦ cmpt 5181 ⟶wf 6496 |
| 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-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-nfc 2886 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-br 5101 df-opab 5163 df-mpt 5182 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-fun 6502 df-fn 6503 df-f 6504 |
| This theorem is referenced by: fmptco 7084 off 7650 caofinvl 7664 curry1f 8058 curry2f 8060 fseqenlem1 9946 pfxf 14616 rpnnen2lem2 16152 1arithlem3 16865 homaf 17966 funcestrcsetclem3 18077 funcsetcestrclem3 18091 prfcl 18138 curf1cl 18163 yonedainv 18216 vrmdf 18795 pmtrf 19396 psgnunilem5 19435 pj1f 19638 vrgpf 19709 gsummptfsadd 19865 gsummptfssub 19890 lspf 20937 uvcff 21758 subrgpsr 21945 mvrf 21952 mhpmulcl 22104 cpm2mf 22708 nmf2 24549 nmof 24675 cphnmf 25163 rrxcph 25360 uniioombllem2 25552 mbfi1fseqlem3 25686 itg2cnlem1 25730 dvmptco 25944 dvle 25980 taylpf 26341 ulmshftlem 26366 ulmshft 26367 ulmdvlem1 26377 psergf 26389 pserdvlem2 26406 logbf 26767 lmif 28869 vtxdgf 29557 brafn 32034 kbop 32040 off2 32730 ofoprabco 32753 indf 32944 tocycf 33210 sgnsf 33255 qqhf 34163 esumcocn 34257 ofcf 34280 mbfmcst 34436 dstrvprob 34649 dstfrvclim1 34655 signstf 34743 fsovfd 44365 dssmapnvod 44373 binomcxplemnotnn0 44709 sge0seq 46801 hoicvrrex 46911 |
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