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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 6537 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6520 | . 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 5167 Fun wfun 6493 |
| 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 5232 ax-pr 5376 |
| 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 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5526 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-fun 6501 |
| This theorem is referenced by: funcnvmpt 6950 pwfilem 9228 cantnfp1lem1 9599 tz9.12lem2 9712 tz9.12lem3 9713 rankf 9718 djuun 9850 cardf2 9867 fin23lem30 10264 hashf1rn 14314 oppccatf 17694 funtopon 22885 qustgpopn 24085 ustn0 24186 cphsscph 25218 ipasslem8 30908 xppreima2 32724 mptiffisupp 32766 fsuppcurry1 32797 fsuppcurry2 32798 gsummpt2co 33109 zarclsint 34016 zartopn 34019 zarmxt1 34024 zarcmplem 34025 brsiga 34327 sseqval 34532 ballotlem7 34680 sinccvglem 35854 bj-evalfun 37384 bj-ccinftydisj 37527 bj-elccinfty 37528 bj-minftyccb 37539 iscard4 43960 harval3 43965 comptiunov2i 44133 icccncfext 46315 stoweidlem27 46455 stirlinglem14 46515 fourierdlem70 46604 fourierdlem71 46605 hoi2toco 47035 mptcfsupp 48847 lcoc0 48892 lincresunit2 48948 |
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