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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 6530 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6513 | . 2 ⊢ (Fun 𝐹 ↔ Fun (𝑥 ∈ 𝐴 ↦ 𝐵)) |
| 4 | 1, 3 | mpbir 232 | 1 ⊢ Fun 𝐹 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 ↦ cmpt 5160 Fun wfun 6486 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-sep 5225 ax-pr 5369 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-sn 4563 df-pr 4565 df-op 4569 df-br 5080 df-opab 5142 df-mpt 5161 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-fun 6494 |
| This theorem is referenced by: funcnvmpt 6944 pwfilem 9225 cantnfp1lem1 9597 tz9.12lem2 9710 tz9.12lem3 9711 rankf 9716 djuun 9848 cardf2 9865 fin23lem30 10262 hashf1rn 14312 oppccatf 17692 funtopon 22910 qustgpopn 24110 ustn0 24211 cphsscph 25243 ipasslem8 30933 xppreima2 32750 mptiffisupp 32792 fsuppcurry1 32823 fsuppcurry2 32824 gsummpt2co 33136 zarclsint 34063 zartopn 34066 zarmxt1 34071 zarcmplem 34072 brsiga 34374 sseqval 34579 ballotlem7 34727 sinccvglem 35901 bj-evalfun 37431 bj-ccinftydisj 37574 bj-elccinfty 37575 bj-minftyccb 37586 iscard4 43978 harval3 43983 comptiunov2i 44151 icccncfext 46331 stoweidlem27 46471 stirlinglem14 46531 fourierdlem70 46620 fourierdlem71 46621 hoi2toco 47051 mptcfsupp 48869 lcoc0 48914 lincresunit2 48970 |
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