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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 6575 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6558 | . 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 5190 Fun wfun 6531 |
| 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 2215 ax-ext 2734 ax-sep 5255 ax-pr 5402 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-fun 6539 |
| This theorem is used by: funcnvmpt 6992 pwfilem 9290 cantnfp1lem1 9660 tz9.12lem2 9773 tz9.12lem3 9774 rankf 9779 djuun 9934 cardf2 9951 fin23lem30 10347 hashf1rn 14418 sgnfo 15174 oppccatf 17820 funtopon 23149 qustgpopn 24350 ustn0 24451 cphsscph 25483 ipasslem8 31319 xppreima2 33126 mptiffisupp 33167 fsuppcurry1 33197 fsuppcurry2 33198 gsummpt2co 33490 zarclsint 34384 zartopn 34387 zarmxt1 34392 zarcmplem 34393 brsiga 34696 sseqval 34901 ballotlem7 35049 sinccvglem 36253 bj-evalfun 37824 bj-ccinftydisj 37967 bj-elccinfty 37968 bj-minftyccb 37979 iscard4 44375 harval3 44380 comptiunov2i 44548 icccncfext 46717 stoweidlem27 46857 stirlinglem14 46917 fourierdlem70 47006 fourierdlem71 47007 hoi2toco 47437 mptcfsupp 49309 lcoc0 49354 lincresunit2 49410 |
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