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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 7108 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶) |
| 3 | fmpt3d.1 | . . 3 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵)) | |
| 4 | 3 | feq1d 6684 | . 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 6529 |
| 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 2732 ax-sep 5251 ax-pr 5398 |
| 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 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 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 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-fun 6535 df-fn 6536 df-f 6537 |
| This theorem is used by: fmptco 7123 off 7696 caofinvl 7710 curry1f 8103 curry2f 8105 fseqenlem1 10027 indf 12248 pfxf 14750 rpnnen2lem2 16303 1arithlem3 17017 homaf 18119 funcestrcsetclem3 18230 funcsetcestrclem3 18244 prfcl 18291 curf1cl 18316 yonedainv 18369 vrmdf 18967 pmtrf 19582 psgnunilem5 19621 pj1f 19824 vrgpf 19895 gsummptfsadd 20051 gsummptfssub 20076 lspf 21158 uvcff 22004 subrgpsr 22192 mvrf 22199 mhpmulcl 22377 cpm2mf 22977 nmf2 24819 nmof 24945 cphnmf 25423 rrxcph 25620 uniioombllem2 25811 mbfi1fseqlem3 25945 itg2cnlem1 25989 dvmptco 26199 dvle 26234 taylpf 26602 ulmshftlem 26625 ulmshft 26626 ulmdvlem1 26636 psergf 26648 pserdvlem2 26664 logbf 27026 lmif 29169 vtxdgf 29931 brafn 32428 kbop 32434 off2 33114 ofoprabco 33137 tocycf 33557 sgnsf 33602 mplasclco 34026 qqhf 34496 esumcocn 34590 ofcf 34613 mbfmcst 34770 dstrvprob 34983 dstfrvclim1 34989 signstf 35074 fsovfd 44852 dssmapnvod 44860 binomcxplemnotnn0 45180 sge0seq 47274 hoicvr 47376 hoicvrrex 47384 |
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