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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 6548 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6531 | . 2 ⊢ (Fun 𝐹 ↔ Fun (𝑥 ∈ 𝐴 ↦ 𝐵)) |
| 4 | 1, 3 | mpbir 233 | 1 ⊢ Fun 𝐹 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1554 ↦ cmpt 5175 Fun wfun 6504 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-10 2169 ax-11 2185 ax-12 2206 ax-ext 2728 ax-sep 5240 ax-pr 5384 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-nf 1798 df-sb 2085 df-mo 2560 df-eu 2590 df-clab 2735 df-cleq 2748 df-clel 2831 df-nfc 2905 df-ral 3071 df-rex 3081 df-rab 3409 df-v 3450 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4281 df-if 4475 df-sn 4577 df-pr 4579 df-op 4583 df-br 5095 df-opab 5157 df-mpt 5176 df-id 5535 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-fun 6512 |
| This theorem is referenced by: funcnvmpt 6966 pwfilem 9251 cantnfp1lem1 9623 tz9.12lem2 9736 tz9.12lem3 9737 rankf 9742 djuun 9874 cardf2 9891 fin23lem30 10289 hashf1rn 14355 oppccatf 17736 funtopon 22953 qustgpopn 24153 ustn0 24254 cphsscph 25286 ipasslem8 30979 xppreima2 32796 mptiffisupp 32838 fsuppcurry1 32869 fsuppcurry2 32870 gsummpt2co 33182 zarclsint 34123 zartopn 34126 zarmxt1 34131 zarcmplem 34132 brsiga 34434 sseqval 34639 ballotlem7 34787 sinccvglem 35970 bj-evalfun 37510 bj-ccinftydisj 37653 bj-elccinfty 37654 bj-minftyccb 37665 iscard4 44057 harval3 44062 comptiunov2i 44230 icccncfext 46409 stoweidlem27 46549 stirlinglem14 46609 fourierdlem70 46698 fourierdlem71 46699 hoi2toco 47129 mptcfsupp 48947 lcoc0 48992 lincresunit2 49048 |
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