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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 7116 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶) |
| 3 | fmpt3d.1 | . . 3 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵)) | |
| 4 | 3 | feq1d 6692 | . 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 1569 ∈ wcel 2144 ↦ cmpt 5185 ⟶wf 6535 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-fun 6541 df-fn 6542 df-f 6543 |
| This theorem is used by: fmptco 7131 off 7712 caofinvl 7726 curry1f 8120 curry2f 8122 fseqenlem1 10107 indf 12330 pfxf 14835 rpnnen2lem2 16389 1arithlem3 17109 homaf 18211 funcestrcsetclem3 18322 funcsetcestrclem3 18336 prfcl 18383 curf1cl 18408 yonedainv 18461 vrmdf 19060 pmtrf 19675 psgnunilem5 19714 pj1f 19917 vrgpf 19988 gsummptfsadd 20144 gsummptfssub 20169 lspf 21255 uvcff 22103 subrgpsr 22291 mvrf 22298 mhpmulcl 22476 cpm2mf 23076 nmf2 24918 nmof 25044 cphnmf 25522 rrxcph 25719 uniioombllem2 25910 mbfi1fseqlem3 26044 itg2cnlem1 26088 dvmptco 26298 dvle 26333 taylpf 26699 ulmshftlem 26722 ulmshft 26723 ulmdvlem1 26733 psergf 26745 pserdvlem2 26761 logbf 27123 lmif 29296 vtxdgf 30058 brafn 32555 kbop 32561 off2 33283 ofoprabco 33306 tocycf 33725 sgnsf 33770 mplasclco 34195 qqhf 34665 esumcocn 34759 ofcf 34782 mbfmcst 34938 dstrvprob 35151 dstfrvclim1 35157 signstf 35242 fsovfd 45106 dssmapnvod 45114 binomcxplemnotnn0 45434 sge0seq 47550 hoicvr 47652 hoicvrrex 47660 parmapfunc2 50868 parmapfunc 50869 |
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