| 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 5829 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴◡𝑅𝐵 ↔ 𝐵𝑅𝐴)) | |
| 4 | 1, 2, 3 | mp2an 693 | 1 ⊢ (𝐴◡𝑅𝐵 ↔ 𝐵𝑅𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∈ wcel 2114 Vcvv 3441 class class class wbr 5099 ◡ccnv 5624 |
| 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 2709 ax-sep 5242 ax-nul 5252 ax-pr 5378 |
| 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 2716 df-cleq 2729 df-clel 2812 df-rab 3401 df-v 3443 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4287 df-if 4481 df-sn 4582 df-pr 4584 df-op 4588 df-br 5100 df-opab 5162 df-cnv 5633 |
| This theorem is referenced by: cnvco 5835 dfrn2 5838 dfdm4 5845 cnvsym 6072 intasym 6073 asymref 6074 qfto 6079 dminss 6112 imainss 6113 dminxp 6139 cnvcnv3 6147 cnvpo 6246 cnvso 6247 dffun2 6503 funcnvsn 6543 funcnv2 6561 fun2cnv 6564 imadif 6577 funcnvmpt 6944 f1ompt 7058 foeqcnvco 7248 f1eqcocnv 7249 fliftcnv 7259 isocnv2 7279 fsplit 8061 ercnv 8659 ecid 8721 omxpenlem 9010 sbthcl 9031 fimax2g 9190 dfsup2 9351 eqinf 9392 infval 9394 infcllem 9395 wofib 9454 oemapso 9595 cflim2 10177 fin23lem40 10265 isfin1-3 10300 fin12 10327 negiso 12126 dfinfre 12127 infrenegsup 12129 xrinfmss2 13230 trclublem 14922 imasleval 17466 invsym2 17691 oppcsect2 17707 oduprs 18227 odupos 18253 oduposb 18254 odulub 18332 oduglb 18334 posglbdg 18340 chnrev 18554 gsumcom3 19911 ordtbas2 23139 ordtcnv 23149 ordtrest2 23152 utop2nei 24198 utop3cls 24199 dvlt0 25970 dvcnvrelem1 25982 nomaxmo 27670 ofpreima 32746 odutos 33052 tosglblem 33058 mgccnv 33083 ordtcnvNEW 34079 ordtrest2NEW 34082 xrge0iifiso 34094 erdszelem9 35395 coepr 35949 dffr5 35950 dfso2 35951 cnvco1 35955 cnvco2 35956 pocnv 35959 txpss3v 36072 brtxp 36074 brpprod3b 36081 idsset 36084 fixcnv 36102 brimage 36120 brcup 36133 brcap 36134 dfrecs2 36146 dfrdg4 36147 dfint3 36148 imagesset 36149 brlb 36151 fvline 36340 ellines 36348 trer 36512 poimirlem31 37854 poimir 37856 frinfm 37938 xrnss3v 38584 rencldnfilem 43129 cnvssco 43914 psshepw 44096 dffrege115 44286 frege131 44302 frege133 44304 brpermmodel 45311 lambert0 47200 lamberte 47201 gte-lteh 50038 gt-lth 50039 |
| Copyright terms: Public domain | W3C validator |