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| Mirrors > Home > MPE Home > Th. List > cnvex | Structured version Visualization version GIF version | ||
| Description: The converse of a set is a set. Corollary 6.8(1) of [TakeutiZaring] p. 26. (Contributed by NM, 19-Dec-2003.) |
| Ref | Expression |
|---|---|
| cnvex.1 | ⊢ 𝐴 ∈ V |
| Ref | Expression |
|---|---|
| cnvex | ⊢ ◡𝐴 ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnvex.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | cnvexg 7909 | . 2 ⊢ (𝐴 ∈ V → ◡𝐴 ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ◡𝐴 ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2145 Vcvv 3457 ◡ccnv 5650 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 ax-sep 5250 ax-pow 5326 ax-pr 5394 ax-un 7722 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-br 5105 df-opab 5167 df-xp 5657 df-rel 5658 df-cnv 5659 df-dm 5661 df-rn 5662 |
| This theorem is referenced by: f1oexbi 7913 funcnvuni 7917 cnvf1o 8094 brtpos2 8216 pw2f1o 9058 sbthlem10 9072 fodomr 9104 ssenen 9127 cnfcomlem 9656 infxpenlem 9985 enfin2i 10293 fin1a2lem7 10378 fpwwe 10619 canthwelem 10623 axdc4uzlem 14007 hashfacen 14479 catcisolem 18155 oduleval 18333 gicsubgen 19337 isunit 20443 znle 21643 evpmss 21693 psgnevpmb 21694 ptbasfi 23695 nghmfval 24836 fta1glem2 26283 fta1blem 26285 lgsqrlem4 27467 tocycf 33345 evpmval 33373 altgnsg 33377 elrgspnsubrunlem2 33476 elrspunidl 33647 1arithidom 33739 irngval 33987 locfinreflem 34142 zarcmplem 34183 qqhval 34274 mbfmcnt 34570 derangenlem 35529 mthmval 35933 colinearex 36418 fvline 36502 ptrest 38125 poimir 38159 tendoi2 41426 dihopelvalcpre 41879 pw2f1ocnv 43621 cnvintabd 44186 clcnvlem 44206 frege133 44579 binomcxplemnotnn0 44925 fzisoeu 45878 gricushgr 48538 uspgrlim 48613 tposideq 49518 |
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