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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 7147 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶) |
| 3 | fmpt3d.1 | . . 3 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵)) | |
| 4 | 3 | feq1d 6721 | . 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 2147 ↦ cmpt 5192 ⟶wf 6562 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4841 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-fun 6568 df-fn 6569 df-f 6570 |
| This theorem is used by: fmptco 7162 off 7743 caofinvl 7757 curry1f 8154 curry2f 8156 fseqenlem1 10142 indf 12366 pfxf 14872 rpnnen2lem2 16427 1arithlem3 17147 homaf 18255 funcestrcsetclem3 18366 funcsetcestrclem3 18380 prfcl 18427 curf1cl 18452 yonedainv 18505 vrmdf 19104 pmtrf 19720 psgnunilem5 19759 pj1f 19962 vrgpf 20033 gsummptfsadd 20189 gsummptfssub 20214 lspf 21300 uvcff 22152 subrgpsr 22340 mvrf 22347 mhpmulcl 22525 cpm2mf 23125 nmf2 24967 nmof 25093 cphnmf 25571 rrxcph 25768 uniioombllem2 25959 mbfi1fseqlem3 26093 itg2cnlem1 26137 dvmptco 26347 dvle 26382 taylpf 26750 ulmshftlem 26773 ulmshft 26774 ulmdvlem1 26784 psergf 26796 pserdvlem2 26812 logbf 27174 lmif 29347 vtxdgf 30109 brafn 32606 kbop 32612 off2 33333 ofoprabco 33356 tocycf 33777 sgnsf 33822 mplasclco 34259 qqhf 34729 esumcocn 34823 ofcf 34846 mbfmcst 35002 dstrvprob 35215 dstfrvclim1 35221 signstf 35306 fsovfd 45273 dssmapnvod 45281 binomcxplemnotnn0 45601 sge0seq 47729 hoicvr 47831 hoicvrrex 47839 parmapfunc2 51105 parmapfunc 51106 |
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