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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 7114 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶) |
| 3 | fmpt3d.1 | . . 3 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵)) | |
| 4 | 3 | feq1d 6691 | . 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 2146 ↦ cmpt 5194 ⟶wf 6536 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-pr 5406 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-fun 6542 df-fn 6543 df-f 6544 |
| This theorem is used by: fmptco 7129 off 7698 caofinvl 7712 curry1f 8103 curry2f 8105 fseqenlem1 10020 indf 12235 pfxf 14735 rpnnen2lem2 16288 1arithlem3 17002 homaf 18104 funcestrcsetclem3 18215 funcsetcestrclem3 18229 prfcl 18276 curf1cl 18301 yonedainv 18354 vrmdf 18940 pmtrf 19548 psgnunilem5 19587 pj1f 19790 vrgpf 19861 gsummptfsadd 20017 gsummptfssub 20042 lspf 21124 uvcff 21970 subrgpsr 22156 mvrf 22163 mhpmulcl 22341 cpm2mf 22938 nmf2 24779 nmof 24905 cphnmf 25383 rrxcph 25580 uniioombllem2 25771 mbfi1fseqlem3 25905 itg2cnlem1 25949 dvmptco 26160 dvle 26195 taylpf 26558 ulmshftlem 26581 ulmshft 26582 ulmdvlem1 26592 psergf 26604 pserdvlem2 26620 logbf 26983 lmif 29123 vtxdgf 29850 brafn 32328 kbop 32334 off2 33015 ofoprabco 33038 tocycf 33460 sgnsf 33505 mplasclco 33929 qqhf 34399 esumcocn 34493 ofcf 34516 mbfmcst 34673 dstrvprob 34886 dstfrvclim1 34892 signstf 34977 fsovfd 44771 dssmapnvod 44779 binomcxplemnotnn0 45099 sge0seq 47193 hoicvr 47295 hoicvrrex 47303 |
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