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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 |
| Syntax hints: = wceq 1568 ↦ cmpt 5191 Fun wfun 6530 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5256 ax-pr 5404 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2095 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ral 3078 df-rex 3088 df-rab 3415 df-v 3455 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 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-fun 6538 |
| This theorem is referenced by: funcnvmpt 6991 pwfilem 9276 cantnfp1lem1 9646 tz9.12lem2 9759 tz9.12lem3 9760 rankf 9765 djuun 9911 cardf2 9928 fin23lem30 10325 hashf1rn 14388 sgnfo 15136 oppccatf 17783 funtopon 23056 qustgpopn 24256 ustn0 24357 cphsscph 25389 ipasslem8 31155 xppreima2 32962 mptiffisupp 33004 fsuppcurry1 33035 fsuppcurry2 33036 gsummpt2co 33334 zarclsint 34228 zartopn 34231 zarmxt1 34236 zarcmplem 34237 brsiga 34539 sseqval 34744 ballotlem7 34892 sinccvglem 36130 bj-evalfun 37680 bj-ccinftydisj 37823 bj-elccinfty 37824 bj-minftyccb 37835 iscard4 44229 harval3 44234 comptiunov2i 44402 icccncfext 46571 stoweidlem27 46711 stirlinglem14 46771 fourierdlem70 46860 fourierdlem71 46861 hoi2toco 47291 mptcfsupp 49124 lcoc0 49169 lincresunit2 49225 |
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