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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 7113 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶) |
| 3 | fmpt3d.1 | . . 3 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵)) | |
| 4 | 3 | feq1d 6689 | . 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 |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ↦ cmpt 5186 ⟶wf 6533 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-fun 6539 df-fn 6540 df-f 6541 |
| This theorem is used by: fmptco 7128 off 7709 caofinvl 7723 curry1f 8115 curry2f 8117 fseqenlem1 10096 indf 12319 pfxf 14823 rpnnen2lem2 16376 1arithlem3 17096 homaf 18198 funcestrcsetclem3 18309 funcsetcestrclem3 18323 prfcl 18370 curf1cl 18395 yonedainv 18448 vrmdf 19047 pmtrf 19662 psgnunilem5 19701 pj1f 19904 vrgpf 19975 gsummptfsadd 20131 gsummptfssub 20156 lspf 21242 uvcff 22090 subrgpsr 22278 mvrf 22285 mhpmulcl 22463 cpm2mf 23063 nmf2 24905 nmof 25031 cphnmf 25509 rrxcph 25706 uniioombllem2 25897 mbfi1fseqlem3 26031 itg2cnlem1 26075 dvmptco 26285 dvle 26320 taylpf 26686 ulmshftlem 26709 ulmshft 26710 ulmdvlem1 26720 psergf 26732 pserdvlem2 26748 logbf 27110 lmif 29283 vtxdgf 30045 brafn 32542 kbop 32548 off2 33228 ofoprabco 33251 tocycf 33671 sgnsf 33716 mplasclco 34141 qqhf 34611 esumcocn 34705 ofcf 34728 mbfmcst 34884 dstrvprob 35097 dstfrvclim1 35103 signstf 35188 fsovfd 44997 dssmapnvod 45005 binomcxplemnotnn0 45325 sge0seq 47425 hoicvr 47527 hoicvrrex 47535 |
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