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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 6538 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 2 | funeqi 6521 | . 2 ⊢ (Fun 𝐹 ↔ Fun (𝑥 ∈ 𝐴 ↦ 𝐵)) |
| 4 | 1, 3 | mpbir 231 | 1 ⊢ Fun 𝐹 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ↦ cmpt 5181 Fun wfun 6494 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-pr 5379 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-fun 6502 |
| This theorem is referenced by: funcnvmpt 6951 pwfilem 9230 cantnfp1lem1 9599 tz9.12lem2 9712 tz9.12lem3 9713 rankf 9718 djuun 9850 cardf2 9867 fin23lem30 10264 hashf1rn 14287 oppccatf 17663 funtopon 22876 qustgpopn 24076 ustn0 24177 cphsscph 25219 ipasslem8 30924 xppreima2 32740 mptiffisupp 32782 fsuppcurry1 32813 fsuppcurry2 32814 gsummpt2co 33141 zarclsint 34049 zartopn 34052 zarmxt1 34057 zarcmplem 34058 brsiga 34360 sseqval 34565 ballotlem7 34713 sinccvglem 35885 bj-evalfun 37316 bj-ccinftydisj 37457 bj-elccinfty 37458 bj-minftyccb 37469 iscard4 43878 harval3 43883 comptiunov2i 44051 icccncfext 46234 stoweidlem27 46374 stirlinglem14 46434 fourierdlem70 46523 fourierdlem71 46524 hoi2toco 46954 mptcfsupp 48726 lcoc0 48771 lincresunit2 48827 |
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