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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 7860 | . 2 ⊢ (𝐴 ∈ V → ◡𝐴 ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ◡𝐴 ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2111 Vcvv 3436 ◡ccnv 5618 |
| 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 2113 ax-9 2121 ax-ext 2703 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 |
| 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 2710 df-cleq 2723 df-clel 2806 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-op 4582 df-uni 4859 df-br 5094 df-opab 5156 df-xp 5625 df-rel 5626 df-cnv 5627 df-dm 5629 df-rn 5630 |
| This theorem is referenced by: f1oexbi 7864 funcnvuni 7868 cnvf1o 8047 brtpos2 8168 pw2f1o 9001 sbthlem10 9015 fodomr 9047 ssenen 9070 cnfcomlem 9595 infxpenlem 9910 enfin2i 10218 fin1a2lem7 10303 fpwwe 10543 canthwelem 10547 axdc4uzlem 13896 hashfacen 14367 catcisolem 18023 oduleval 18201 gicsubgen 19197 isunit 20297 znle 21479 evpmss 21529 psgnevpmb 21530 ptbasfi 23502 nghmfval 24643 fta1glem2 26107 fta1blem 26109 lgsqrlem4 27293 tocycf 33093 evpmval 33121 altgnsg 33125 elrgspnsubrunlem2 33222 elrspunidl 33400 1arithidom 33509 irngval 33705 locfinreflem 33860 zarcmplem 33901 qqhval 33992 mbfmcnt 34288 derangenlem 35222 mthmval 35626 colinearex 36111 fvline 36195 ptrest 37665 poimir 37699 tendoi2 40900 dihopelvalcpre 41353 pw2f1ocnv 43135 cnvintabd 43701 clcnvlem 43721 frege133 44094 binomcxplemnotnn0 44454 fzisoeu 45406 gricushgr 48022 uspgrlim 48097 tposideq 48993 |
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