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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 7922 | . 2 ⊢ (𝐴 ∈ V → ◡𝐴 ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ◡𝐴 ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2143 Vcvv 3455 ◡ccnv 5662 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-sep 5258 ax-pow 5338 ax-pr 5406 ax-un 7734 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-xp 5669 df-rel 5670 df-cnv 5671 df-dm 5673 df-rn 5674 |
| This theorem is referenced by: f1oexbi 7926 funcnvuni 7930 cnvf1o 8107 brtpos2 8229 pw2f1o 9071 sbthlem10 9085 fodomr 9117 ssenen 9140 cnfcomlem 9669 infxpenlem 9998 enfin2i 10306 fin1a2lem7 10391 fpwwe 10632 canthwelem 10636 axdc4uzlem 14021 hashfacen 14493 catcisolem 18168 oduleval 18346 gicsubgen 19350 isunit 20456 znle 21667 evpmss 21717 psgnevpmb 21718 ptbasfi 23719 nghmfval 24860 fta1glem2 26307 fta1blem 26309 lgsqrlem4 27494 tocycf 33418 evpmval 33446 altgnsg 33450 elrgspnsubrunlem2 33549 elrspunidl 33717 1arithidom 33808 irngval 34056 locfinreflem 34211 zarcmplem 34252 qqhval 34343 mbfmcnt 34639 derangenlem 35644 mthmval 36048 colinearex 36533 fvline 36617 ptrest 38251 poimir 38285 tendoi2 41550 dihopelvalcpre 42003 pw2f1ocnv 43747 cnvintabd 44312 clcnvlem 44332 frege133 44705 binomcxplemnotnn0 45049 fzisoeu 46002 gricushgr 48665 uspgrlim 48740 tposideq 49649 |
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