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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 6598 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6580 | . 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 5189 Fun wfun 6552 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-pr 5395 |
| 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 2102 df-mo 2567 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-fun 6560 |
| This theorem is used by: funcnvmpt 7018 pwfilem 9337 cantnfp1lem1 9706 tz9.12lem2 9822 tz9.12lem3 9823 rankf 9829 djuun 10034 cardf2 10051 fin23lem30 10447 hashf1rn 14523 sgnfo 15281 oppccatf 17931 funtopon 23268 qustgpopn 24469 ustn0 24570 cphsscph 25602 ipasslem8 31469 xppreima2 33317 mptiffisupp 33357 fsuppcurry1 33386 fsuppcurry2 33387 gsummpt2co 33679 zarclsint 34574 zartopn 34577 zarmxt1 34582 zarcmplem 34583 brsiga 34886 sseqval 35090 ballotlem7 35238 rncardr1prc 35850 sinccvglem 36604 bj-evalfun 38184 bj-ccinftydisj 38326 bj-elccinfty 38327 bj-minftyccb 38338 iscard4 44726 harval3 44731 comptiunov2i 44898 icccncfext 47102 stoweidlem27 47242 stirlinglem14 47302 fourierdlem70 47391 fourierdlem71 47392 hoi2toco 47822 mptcfsupp 49694 lcoc0 49739 lincresunit2 49795 |
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