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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 7899 | . 2 ⊢ (𝐴 ∈ V → ◡𝐴 ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ◡𝐴 ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2141 Vcvv 3453 ◡ccnv 5642 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-ext 2733 ax-sep 5243 ax-pow 5319 ax-pr 5387 ax-un 7712 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-br 5098 df-opab 5160 df-xp 5649 df-rel 5650 df-cnv 5651 df-dm 5653 df-rn 5654 |
| This theorem is referenced by: f1oexbi 7903 funcnvuni 7907 cnvf1o 8083 brtpos2 8205 pw2f1o 9047 sbthlem10 9061 fodomr 9093 ssenen 9116 cnfcomlem 9647 infxpenlem 9962 enfin2i 10271 fin1a2lem7 10356 fpwwe 10597 canthwelem 10601 axdc4uzlem 13989 hashfacen 14460 catcisolem 18133 oduleval 18311 gicsubgen 19309 isunit 20408 znle 21575 evpmss 21625 psgnevpmb 21626 ptbasfi 23628 nghmfval 24769 fta1glem2 26216 fta1blem 26218 lgsqrlem4 27400 tocycf 33257 evpmval 33285 altgnsg 33289 elrgspnsubrunlem2 33389 elrspunidl 33574 1arithidom 33693 irngval 33942 locfinreflem 34097 zarcmplem 34138 qqhval 34229 mbfmcnt 34525 derangenlem 35481 mthmval 35885 colinearex 36370 fvline 36454 ptrest 38078 poimir 38112 tendoi2 41379 dihopelvalcpre 41832 pw2f1ocnv 43574 cnvintabd 44139 clcnvlem 44159 frege133 44532 binomcxplemnotnn0 44892 fzisoeu 45839 gricushgr 48499 uspgrlim 48574 tposideq 49469 |
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