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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 6566 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6548 | . 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 1570 ↦ cmpt 5185 Fun wfun 6521 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 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 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 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-dif 3901 df-un 3903 df-in 3905 df-ss 3915 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 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-fun 6529 |
| This theorem is used by: funcnvmpt 6983 pwfilem 9287 cantnfp1lem1 9657 tz9.12lem2 9770 tz9.12lem3 9771 rankf 9776 djuun 9979 cardf2 9996 fin23lem30 10392 hashf1rn 14464 sgnfo 15220 oppccatf 17864 funtopon 23200 qustgpopn 24401 ustn0 24502 cphsscph 25534 ipasslem8 31373 xppreima2 33179 mptiffisupp 33220 fsuppcurry1 33250 fsuppcurry2 33251 gsummpt2co 33543 zarclsint 34438 zartopn 34441 zarmxt1 34446 zarcmplem 34447 brsiga 34750 sseqval 34955 ballotlem7 35103 sinccvglem 36358 bj-evalfun 37913 bj-ccinftydisj 38054 bj-elccinfty 38055 bj-minftyccb 38066 iscard4 44477 harval3 44482 comptiunov2i 44650 icccncfext 46819 stoweidlem27 46959 stirlinglem14 47019 fourierdlem70 47108 fourierdlem71 47109 hoi2toco 47539 mptcfsupp 49411 lcoc0 49456 lincresunit2 49512 |
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