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| Mirrors > Home > MPE Home > Th. List > funmpt2 | Structured version Visualization version GIF version | ||
| Description: Functionality of a class given by a maps-to notation. (Contributed by FL, 17-Feb-2008.) (Revised by Mario Carneiro, 31-May-2014.) |
| Ref | Expression |
|---|---|
| funmpt2.1 | ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) |
| Ref | Expression |
|---|---|
| funmpt2 | ⊢ Fun 𝐹 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | funmpt 6563 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6546 | . 2 ⊢ (Fun 𝐹 ↔ Fun (𝑥 ∈ 𝐴 ↦ 𝐵)) |
| 4 | 1, 3 | mpbir 234 | 1 ⊢ Fun 𝐹 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1563 ↦ cmpt 5186 Fun wfun 6519 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5251 ax-pr 5395 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-sn 4586 df-pr 4588 df-op 4592 df-br 5106 df-opab 5168 df-mpt 5187 df-id 5547 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-fun 6527 |
| This theorem is referenced by: funcnvmpt 6981 pwfilem 9265 cantnfp1lem1 9635 tz9.12lem2 9748 tz9.12lem3 9749 rankf 9754 djuun 9900 cardf2 9917 fin23lem30 10314 hashf1rn 14379 sgnfo 15126 oppccatf 17774 funtopon 23038 qustgpopn 24238 ustn0 24339 cphsscph 25371 ipasslem8 31098 xppreima2 32908 mptiffisupp 32950 fsuppcurry1 32981 fsuppcurry2 32982 gsummpt2co 33281 zarclsint 34179 zartopn 34182 zarmxt1 34187 zarcmplem 34188 brsiga 34490 sseqval 34695 ballotlem7 34843 sinccvglem 36035 bj-evalfun 37574 bj-ccinftydisj 37717 bj-elccinfty 37718 bj-minftyccb 37729 iscard4 44121 harval3 44126 comptiunov2i 44294 icccncfext 46459 stoweidlem27 46599 stirlinglem14 46659 fourierdlem70 46748 fourierdlem71 46749 hoi2toco 47179 mptcfsupp 49008 lcoc0 49053 lincresunit2 49109 |
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