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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 6527 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6510 | . 2 ⊢ (Fun 𝐹 ↔ Fun (𝑥 ∈ 𝐴 ↦ 𝐵)) |
| 4 | 1, 3 | mpbir 233 | 1 ⊢ Fun 𝐹 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1548 ↦ cmpt 5156 Fun wfun 6483 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-sep 5221 ax-pr 5365 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ral 3056 df-rex 3066 df-rab 3394 df-v 3435 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-sn 4559 df-pr 4561 df-op 4565 df-br 5076 df-opab 5138 df-mpt 5157 df-id 5516 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-fun 6491 |
| This theorem is referenced by: funcnvmpt 6941 pwfilem 9222 cantnfp1lem1 9594 tz9.12lem2 9707 tz9.12lem3 9708 rankf 9713 djuun 9845 cardf2 9862 fin23lem30 10259 hashf1rn 14309 oppccatf 17689 funtopon 22907 qustgpopn 24107 ustn0 24208 cphsscph 25240 ipasslem8 30930 xppreima2 32747 mptiffisupp 32789 fsuppcurry1 32820 fsuppcurry2 32821 gsummpt2co 33133 zarclsint 34068 zartopn 34071 zarmxt1 34076 zarcmplem 34077 brsiga 34379 sseqval 34584 ballotlem7 34732 sinccvglem 35915 bj-evalfun 37445 bj-ccinftydisj 37588 bj-elccinfty 37589 bj-minftyccb 37600 iscard4 43992 harval3 43997 comptiunov2i 44165 icccncfext 46344 stoweidlem27 46484 stirlinglem14 46544 fourierdlem70 46633 fourierdlem71 46634 hoi2toco 47064 mptcfsupp 48882 lcoc0 48927 lincresunit2 48983 |
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