| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 5853 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴◡𝑅𝐵 ↔ 𝐵𝑅𝐴)) | |
| 4 | 1, 2, 3 | mp2an 702 | 1 ⊢ (𝐴◡𝑅𝐵 ↔ 𝐵𝑅𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 ∈ wcel 2144 Vcvv 3456 class class class wbr 5102 ◡ccnv 5648 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 ax-sep 5248 ax-pr 5392 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-rab 3417 df-v 3458 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5103 df-opab 5165 df-cnv 5657 |
| This theorem is referenced by: cnvco 5863 dfrn2 5866 dfdm4 5873 cnvsym 6103 intasym 6104 asymref 6105 qfto 6110 dminss 6140 imainss 6141 xpdifcnvepel 6156 dminxp 6168 cnvcnv3 6176 cnvpo 6276 cnvso 6277 dffun2 6533 funcnvsn 6573 funcnv2 6591 fun2cnv 6594 imadif 6607 funcnvmpt 6979 f1ompt 7094 foeqcnvco 7286 f1eqcocnv 7287 fliftcnv 7297 isocnv2 7317 fsplit 8098 ercnv 8702 ecid 8764 omxpenlem 9052 sbthcl 9073 fimax2g 9232 dfsup2 9392 eqinf 9433 infval 9435 infcllem 9436 wofib 9495 oemapso 9639 cflim2 10222 fin23lem40 10310 isfin1-3 10345 fin12 10372 negiso 12174 dfinfre 12175 infrenegsup 12177 xrinfmss2 13316 trclublem 15010 imasleval 17573 invsym2 17798 oppcsect2 17814 oduprs 18334 odupos 18360 oduposb 18361 odulub 18439 oduglb 18441 posglbdg 18447 chnrev 18661 gsumcom3 20020 ordtbas2 23253 ordtcnv 23263 ordtrest2 23266 utop2nei 24312 utop3cls 24313 dvlt0 26069 dvcnvrelem1 26081 nomaxmo 27764 ofpreima 32869 odutos 33148 tosglblem 33154 mgccnv 33179 ordtcnvNEW 34219 ordtrest2NEW 34222 xrge0iifiso 34234 erdszelem9 35554 coepr 36108 dffr5 36109 dfso2 36110 cnvco1 36114 cnvco2 36115 pocnv 36118 txpss3v 36231 brtxp 36233 brpprod3b 36240 idsset 36243 fixcnv 36261 brimage 36279 brcup 36292 brcap 36293 dfrecs2 36305 dfrdg4 36306 dfint3 36307 imagesset 36308 brlb 36310 fvline 36499 ellines 36507 trer 36681 poimirlem31 38155 poimir 38157 frinfm 38239 xrnss3v 38885 rencldnfilem 43402 cnvssco 44187 psshepw 44369 dffrege115 44559 frege131 44575 frege133 44577 brpermmodel 45584 lambert0 47486 lamberte 47487 gte-lteh 50352 gt-lth 50353 |
| Copyright terms: Public domain | W3C validator |