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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 7868 | . 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 3430 ◡ccnv 5623 |
| 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 5231 ax-pow 5302 ax-pr 5370 ax-un 7682 |
| 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 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-xp 5630 df-rel 5631 df-cnv 5632 df-dm 5634 df-rn 5635 |
| This theorem is referenced by: f1oexbi 7872 funcnvuni 7876 cnvf1o 8054 brtpos2 8175 pw2f1o 9013 sbthlem10 9027 fodomr 9059 ssenen 9082 cnfcomlem 9611 infxpenlem 9926 enfin2i 10234 fin1a2lem7 10319 fpwwe 10560 canthwelem 10564 axdc4uzlem 13936 hashfacen 14407 catcisolem 18068 oduleval 18246 gicsubgen 19245 isunit 20344 znle 21526 evpmss 21576 psgnevpmb 21577 ptbasfi 23556 nghmfval 24697 fta1glem2 26144 fta1blem 26146 lgsqrlem4 27326 tocycf 33193 evpmval 33221 altgnsg 33225 elrgspnsubrunlem2 33324 elrspunidl 33503 1arithidom 33612 irngval 33845 locfinreflem 34000 zarcmplem 34041 qqhval 34132 mbfmcnt 34428 derangenlem 35369 mthmval 35773 colinearex 36258 fvline 36342 ptrest 37954 poimir 37988 tendoi2 41255 dihopelvalcpre 41708 pw2f1ocnv 43483 cnvintabd 44048 clcnvlem 44068 frege133 44441 binomcxplemnotnn0 44801 fzisoeu 45751 gricushgr 48405 uspgrlim 48480 tposideq 49375 |
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