| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 7876 | . 2 ⊢ (𝐴 ∈ V → ◡𝐴 ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ◡𝐴 ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 Vcvv 3442 ◡ccnv 5631 |
| 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-ext 2709 ax-sep 5243 ax-pow 5312 ax-pr 5379 ax-un 7690 |
| 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-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 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-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-xp 5638 df-rel 5639 df-cnv 5640 df-dm 5642 df-rn 5643 |
| This theorem is referenced by: f1oexbi 7880 funcnvuni 7884 cnvf1o 8063 brtpos2 8184 pw2f1o 9022 sbthlem10 9036 fodomr 9068 ssenen 9091 cnfcomlem 9620 infxpenlem 9935 enfin2i 10243 fin1a2lem7 10328 fpwwe 10569 canthwelem 10573 axdc4uzlem 13918 hashfacen 14389 catcisolem 18046 oduleval 18224 gicsubgen 19220 isunit 20321 znle 21503 evpmss 21553 psgnevpmb 21554 ptbasfi 23537 nghmfval 24678 fta1glem2 26142 fta1blem 26144 lgsqrlem4 27328 tocycf 33210 evpmval 33238 altgnsg 33242 elrgspnsubrunlem2 33341 elrspunidl 33520 1arithidom 33629 irngval 33862 locfinreflem 34017 zarcmplem 34058 qqhval 34149 mbfmcnt 34445 derangenlem 35384 mthmval 35788 colinearex 36273 fvline 36357 ptrest 37867 poimir 37901 tendoi2 41168 dihopelvalcpre 41621 pw2f1ocnv 43391 cnvintabd 43956 clcnvlem 43976 frege133 44349 binomcxplemnotnn0 44709 fzisoeu 45659 gricushgr 48274 uspgrlim 48349 tposideq 49244 |
| Copyright terms: Public domain | W3C validator |