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| Mirrors > Home > MPE Home > Th. List > brcnv | Structured version Visualization version GIF version | ||
| Description: The converse of a binary relation swaps arguments. Theorem 11 of [Suppes] p. 61. (Contributed by NM, 13-Aug-1995.) |
| Ref | Expression |
|---|---|
| opelcnv.1 | ⊢ 𝐴 ∈ V |
| opelcnv.2 | ⊢ 𝐵 ∈ V |
| Ref | Expression |
|---|---|
| brcnv | ⊢ (𝐴◡𝑅𝐵 ↔ 𝐵𝑅𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opelcnv.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | opelcnv.2 | . 2 ⊢ 𝐵 ∈ V | |
| 3 | brcnvg 5866 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴◡𝑅𝐵 ↔ 𝐵𝑅𝐴)) | |
| 4 | 1, 2, 3 | mp2an 704 | 1 ⊢ (𝐴◡𝑅𝐵 ↔ 𝐵𝑅𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ∈ wcel 2149 Vcvv 3461 class class class wbr 5111 ◡ccnv 5661 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-sep 5259 ax-pr 5405 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rab 3423 df-v 3463 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-nul 4293 df-if 4491 df-sn 4593 df-pr 4595 df-op 4599 df-br 5112 df-opab 5176 df-cnv 5670 |
| This theorem is referenced by: cnvco 5876 dfrn2 5879 dfdm4 5886 cnvsym 6115 intasym 6116 asymref 6117 qfto 6122 dminss 6151 imainss 6152 xpdifcnvepel 6167 dminxp 6179 cnvcnv3 6187 cnvpo 6289 cnvso 6290 dffun2 6547 funcnvsn 6587 funcnv2 6605 fun2cnv 6608 imadif 6621 funcnvmpt 6992 f1ompt 7107 foeqcnvco 7299 f1eqcocnv 7300 fliftcnv 7310 isocnv2 7330 fsplit 8112 ercnv 8716 ecid 8778 omxpenlem 9066 sbthcl 9087 fimax2g 9246 dfsup2 9404 eqinf 9445 infval 9447 infcllem 9448 wofib 9507 oemapso 9651 cflim2 10247 fin23lem40 10335 isfin1-3 10370 fin12 10397 negiso 12195 dfinfre 12196 infrenegsup 12198 xrinfmss2 13337 trclublem 15032 imasleval 17595 invsym2 17820 oppcsect2 17836 oduprs 18356 odupos 18382 oduposb 18383 odulub 18461 oduglb 18463 posglbdg 18469 chnrev 18683 gsumcom3 20048 ordtbas2 23317 ordtcnv 23327 ordtrest2 23330 utop2nei 24376 utop3cls 24377 dvlt0 26133 dvcnvrelem1 26145 nomaxmo 27828 ofpreima 32951 odutos 33229 tosglblem 33235 mgccnv 33260 ordtcnvNEW 34255 ordtrest2NEW 34258 xrge0iifiso 34270 erdszelem9 35624 coepr 36178 dffr5 36179 dfso2 36180 cnvco1 36184 cnvco2 36185 pocnv 36188 txpss3v 36301 brtxp 36303 brpprod3b 36310 idsset 36313 fixcnv 36331 brimage 36349 brcup 36362 brcap 36363 dfrecs2 36375 dfrdg4 36376 dfint3 36377 imagesset 36378 brlb 36380 fvline 36569 ellines 36577 trer 36750 poimirlem31 38225 poimir 38227 frinfm 38309 xrnss3v 38955 rencldnfilem 43474 cnvssco 44259 psshepw 44441 dffrege115 44631 frege131 44647 frege133 44649 brpermmodel 45639 lambert0 47548 lamberte 47549 gte-lteh 50424 gt-lth 50425 |
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