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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 7866 | . 2 ⊢ (𝐴 ∈ V → ◡𝐴 ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ◡𝐴 ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 Vcvv 3440 ◡ccnv 5623 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-xp 5630 df-rel 5631 df-cnv 5632 df-dm 5634 df-rn 5635 |
| This theorem is referenced by: f1oexbi 7870 funcnvuni 7874 cnvf1o 8053 brtpos2 8174 pw2f1o 9010 sbthlem10 9024 fodomr 9056 ssenen 9079 cnfcomlem 9608 infxpenlem 9923 enfin2i 10231 fin1a2lem7 10316 fpwwe 10557 canthwelem 10561 axdc4uzlem 13906 hashfacen 14377 catcisolem 18034 oduleval 18212 gicsubgen 19208 isunit 20309 znle 21491 evpmss 21541 psgnevpmb 21542 ptbasfi 23525 nghmfval 24666 fta1glem2 26130 fta1blem 26132 lgsqrlem4 27316 tocycf 33199 evpmval 33227 altgnsg 33231 elrgspnsubrunlem2 33330 elrspunidl 33509 1arithidom 33618 irngval 33842 locfinreflem 33997 zarcmplem 34038 qqhval 34129 mbfmcnt 34425 derangenlem 35365 mthmval 35769 colinearex 36254 fvline 36338 ptrest 37820 poimir 37854 tendoi2 41055 dihopelvalcpre 41508 pw2f1ocnv 43279 cnvintabd 43844 clcnvlem 43864 frege133 44237 binomcxplemnotnn0 44597 fzisoeu 45548 gricushgr 48163 uspgrlim 48238 tposideq 49133 |
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