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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 6531 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6514 | . 2 ⊢ (Fun 𝐹 ↔ Fun (𝑥 ∈ 𝐴 ↦ 𝐵)) |
| 4 | 1, 3 | mpbir 231 | 1 ⊢ Fun 𝐹 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ↦ cmpt 5180 Fun wfun 6487 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5242 ax-nul 5252 ax-pr 5378 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ral 3053 df-rex 3062 df-rab 3401 df-v 3443 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4287 df-if 4481 df-sn 4582 df-pr 4584 df-op 4588 df-br 5100 df-opab 5162 df-mpt 5181 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-fun 6495 |
| This theorem is referenced by: funcnvmpt 6944 pwfilem 9222 cantnfp1lem1 9591 tz9.12lem2 9704 tz9.12lem3 9705 rankf 9710 djuun 9842 cardf2 9859 fin23lem30 10256 hashf1rn 14279 oppccatf 17655 funtopon 22868 qustgpopn 24068 ustn0 24169 cphsscph 25211 ipasslem8 30895 xppreima2 32711 mptiffisupp 32753 fsuppcurry1 32784 fsuppcurry2 32785 gsummpt2co 33112 zarclsint 34010 zartopn 34013 zarmxt1 34018 zarcmplem 34019 brsiga 34321 sseqval 34526 ballotlem7 34674 sinccvglem 35847 bj-evalfun 37249 bj-ccinftydisj 37389 bj-elccinfty 37390 bj-minftyccb 37401 iscard4 43810 harval3 43815 comptiunov2i 43983 icccncfext 46167 stoweidlem27 46307 stirlinglem14 46367 fourierdlem70 46456 fourierdlem71 46457 hoi2toco 46887 mptcfsupp 48659 lcoc0 48704 lincresunit2 48760 |
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