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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 6574 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6557 | . 2 ⊢ (Fun 𝐹 ↔ Fun (𝑥 ∈ 𝐴 ↦ 𝐵)) |
| 4 | 1, 3 | mpbir 234 | 1 ⊢ Fun 𝐹 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 ↦ cmpt 5191 Fun wfun 6530 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5256 ax-pr 5403 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ral 3079 df-rex 3089 df-rab 3416 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-br 5109 df-opab 5173 df-mpt 5192 df-id 5555 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-fun 6538 |
| This theorem is used by: funcnvmpt 6991 pwfilem 9275 cantnfp1lem1 9645 tz9.12lem2 9758 tz9.12lem3 9759 rankf 9764 djuun 9919 cardf2 9936 fin23lem30 10332 hashf1rn 14395 sgnfo 15143 oppccatf 17790 funtopon 23088 qustgpopn 24288 ustn0 24389 cphsscph 25421 ipasslem8 31200 xppreima2 33007 mptiffisupp 33049 fsuppcurry1 33080 fsuppcurry2 33081 gsummpt2co 33377 zarclsint 34271 zartopn 34274 zarmxt1 34279 zarcmplem 34280 brsiga 34582 sseqval 34787 ballotlem7 34935 sinccvglem 36172 bj-evalfun 37742 bj-ccinftydisj 37885 bj-elccinfty 37886 bj-minftyccb 37897 iscard4 44287 harval3 44292 comptiunov2i 44460 icccncfext 46629 stoweidlem27 46769 stirlinglem14 46829 fourierdlem70 46918 fourierdlem71 46919 hoi2toco 47349 mptcfsupp 49185 lcoc0 49230 lincresunit2 49286 |
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