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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 7875 | . 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 3429 ◡ccnv 5630 |
| 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 2708 ax-sep 5231 ax-pow 5307 ax-pr 5375 ax-un 7689 |
| 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 2715 df-cleq 2728 df-clel 2811 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-xp 5637 df-rel 5638 df-cnv 5639 df-dm 5641 df-rn 5642 |
| This theorem is referenced by: f1oexbi 7879 funcnvuni 7883 cnvf1o 8061 brtpos2 8182 pw2f1o 9020 sbthlem10 9034 fodomr 9066 ssenen 9089 cnfcomlem 9620 infxpenlem 9935 enfin2i 10243 fin1a2lem7 10328 fpwwe 10569 canthwelem 10573 axdc4uzlem 13945 hashfacen 14416 catcisolem 18077 oduleval 18255 gicsubgen 19254 isunit 20353 znle 21516 evpmss 21566 psgnevpmb 21567 ptbasfi 23546 nghmfval 24687 fta1glem2 26134 fta1blem 26136 lgsqrlem4 27312 tocycf 33178 evpmval 33206 altgnsg 33210 elrgspnsubrunlem2 33309 elrspunidl 33488 1arithidom 33597 irngval 33829 locfinreflem 33984 zarcmplem 34025 qqhval 34116 mbfmcnt 34412 derangenlem 35353 mthmval 35757 colinearex 36242 fvline 36326 ptrest 37940 poimir 37974 tendoi2 41241 dihopelvalcpre 41694 pw2f1ocnv 43465 cnvintabd 44030 clcnvlem 44050 frege133 44423 binomcxplemnotnn0 44783 fzisoeu 45733 gricushgr 48393 uspgrlim 48468 tposideq 49363 |
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