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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 6388 | . 2 ⊢ Fun (𝑥 ∈ 𝐴 ↦ 𝐵) | |
2 | funmpt2.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
3 | 2 | funeqi 6371 | . 2 ⊢ (Fun 𝐹 ↔ Fun (𝑥 ∈ 𝐴 ↦ 𝐵)) |
4 | 1, 3 | mpbir 233 | 1 ⊢ Fun 𝐹 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1533 ↦ cmpt 5139 Fun wfun 6344 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-sep 5196 ax-nul 5203 ax-pr 5322 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rab 3147 df-v 3497 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4562 df-pr 4564 df-op 4568 df-br 5060 df-opab 5122 df-mpt 5140 df-id 5455 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-fun 6352 |
This theorem is referenced by: cantnfp1lem1 9135 tz9.12lem2 9211 tz9.12lem3 9212 rankf 9217 djuun 9349 cardf2 9366 fin23lem30 9758 hashf1rn 13707 funtopon 21522 qustgpopn 22722 ustn0 22823 metuval 23153 cphsscph 23848 ipasslem8 28608 xppreima2 30389 funcnvmpt 30406 fsuppcurry1 30455 fsuppcurry2 30456 gsummpt2co 30681 metidval 31125 pstmval 31130 brsiga 31437 measbasedom 31456 sseqval 31641 ballotlem7 31788 sinccvglem 32910 bj-evalfun 34358 bj-ccinftydisj 34489 bj-elccinfty 34490 bj-minftyccb 34501 iscard4 39893 harval3 39897 comptiunov2i 40044 icccncfext 42162 stoweidlem27 42305 stirlinglem14 42365 fourierdlem70 42454 fourierdlem71 42455 hoi2toco 42882 mptcfsupp 44421 lcoc0 44470 lincresunit2 44526 |
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