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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 7871 | . 2 ⊢ (𝐴 ∈ V → ◡𝐴 ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ◡𝐴 ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2119 Vcvv 3432 ◡ccnv 5624 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 ax-sep 5225 ax-pow 5301 ax-pr 5369 ax-un 7685 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-opab 5142 df-xp 5631 df-rel 5632 df-cnv 5633 df-dm 5635 df-rn 5636 |
| This theorem is referenced by: f1oexbi 7875 funcnvuni 7879 cnvf1o 8057 brtpos2 8179 pw2f1o 9017 sbthlem10 9031 fodomr 9063 ssenen 9086 cnfcomlem 9618 infxpenlem 9933 enfin2i 10241 fin1a2lem7 10326 fpwwe 10567 canthwelem 10571 axdc4uzlem 13943 hashfacen 14414 catcisolem 18075 oduleval 18253 gicsubgen 19252 isunit 20351 znle 21518 evpmss 21568 psgnevpmb 21569 ptbasfi 23571 nghmfval 24712 fta1glem2 26159 fta1blem 26161 lgsqrlem4 27337 tocycf 33205 evpmval 33233 altgnsg 33237 elrgspnsubrunlem2 33336 elrspunidl 33518 1arithidom 33627 irngval 33876 locfinreflem 34031 zarcmplem 34072 qqhval 34163 mbfmcnt 34459 derangenlem 35406 mthmval 35810 colinearex 36295 fvline 36379 ptrest 37993 poimir 38027 tendoi2 41294 dihopelvalcpre 41747 pw2f1ocnv 43489 cnvintabd 44054 clcnvlem 44074 frege133 44447 binomcxplemnotnn0 44807 fzisoeu 45755 gricushgr 48415 uspgrlim 48490 tposideq 49385 |
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