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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 6578 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6560 | . 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 5185 Fun wfun 6532 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-fun 6540 |
| This theorem is used by: funcnvmpt 6995 pwfilem 9310 cantnfp1lem1 9680 tz9.12lem2 9796 tz9.12lem3 9797 rankf 9803 djuun 10008 cardf2 10025 fin23lem30 10421 hashf1rn 14497 sgnfo 15253 oppccatf 17903 funtopon 23239 qustgpopn 24440 ustn0 24541 cphsscph 25573 ipasslem8 31440 xppreima2 33288 mptiffisupp 33329 fsuppcurry1 33359 fsuppcurry2 33360 gsummpt2co 33652 zarclsint 34547 zartopn 34550 zarmxt1 34555 zarcmplem 34556 brsiga 34859 sseqval 35063 ballotlem7 35211 rncardr1prc 35807 sinccvglem 36506 bj-evalfun 38068 bj-ccinftydisj 38210 bj-elccinfty 38211 bj-minftyccb 38222 iscard4 44610 harval3 44615 comptiunov2i 44782 icccncfext 46973 stoweidlem27 47113 stirlinglem14 47173 fourierdlem70 47262 fourierdlem71 47263 hoi2toco 47693 mptcfsupp 49565 lcoc0 49610 lincresunit2 49666 |
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