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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 6528 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6511 | . 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 6484 |
| 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 5231 ax-pr 5368 |
| 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 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-fun 6492 |
| This theorem is referenced by: funcnvmpt 6941 pwfilem 9219 cantnfp1lem1 9588 tz9.12lem2 9701 tz9.12lem3 9702 rankf 9707 djuun 9839 cardf2 9856 fin23lem30 10253 hashf1rn 14303 oppccatf 17683 funtopon 22894 qustgpopn 24094 ustn0 24195 cphsscph 25227 ipasslem8 30928 xppreima2 32744 mptiffisupp 32786 fsuppcurry1 32817 fsuppcurry2 32818 gsummpt2co 33129 zarclsint 34037 zartopn 34040 zarmxt1 34045 zarcmplem 34046 brsiga 34348 sseqval 34553 ballotlem7 34701 sinccvglem 35875 bj-evalfun 37397 bj-ccinftydisj 37540 bj-elccinfty 37541 bj-minftyccb 37552 iscard4 43975 harval3 43980 comptiunov2i 44148 icccncfext 46330 stoweidlem27 46470 stirlinglem14 46530 fourierdlem70 46619 fourierdlem71 46620 hoi2toco 47050 mptcfsupp 48850 lcoc0 48895 lincresunit2 48951 |
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