![]() |
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 5714 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴◡𝑅𝐵 ↔ 𝐵𝑅𝐴)) | |
4 | 1, 2, 3 | mp2an 691 | 1 ⊢ (𝐴◡𝑅𝐵 ↔ 𝐵𝑅𝐴) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 209 ∈ wcel 2111 Vcvv 3441 class class class wbr 5030 ◡ccnv 5518 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pr 5295 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-sn 4526 df-pr 4528 df-op 4532 df-br 5031 df-opab 5093 df-cnv 5527 |
This theorem is referenced by: cnvco 5720 dfrn2 5723 dfdm4 5728 cnvsym 5941 intasym 5942 asymref 5943 qfto 5948 dminss 5977 imainss 5978 dminxp 6004 cnvcnv3 6012 cnvpo 6106 cnvso 6107 dffun2 6334 funcnvsn 6374 funcnv2 6392 fun2cnv 6395 imadif 6408 f1ompt 6852 foeqcnvco 7034 f1eqcocnv 7035 f1eqcocnvOLD 7036 fliftcnv 7043 isocnv2 7063 fsplit 7795 fsplitOLD 7796 ercnv 8293 ecid 8345 omxpenlem 8601 sbthcl 8623 fimax2g 8748 dfsup2 8892 eqinf 8932 infval 8934 infcllem 8935 wofib 8993 oemapso 9129 cflim2 9674 fin23lem40 9762 isfin1-3 9797 fin12 9824 negiso 11608 dfinfre 11609 infrenegsup 11611 xrinfmss2 12692 trclublem 14346 imasleval 16806 invsym2 17025 oppcsect2 17041 odupos 17737 oduposb 17738 oduglb 17741 odulub 17743 posglbd 17752 gsumcom3 19091 ordtbas2 21796 ordtcnv 21806 ordtrest2 21809 utop2nei 22856 utop3cls 22857 dvlt0 24608 dvcnvrelem1 24620 ofpreima 30428 funcnvmpt 30430 oduprs 30669 odutos 30676 tosglblem 30682 mcgcnv 30705 ordtcnvNEW 31273 ordtrest2NEW 31276 xrge0iifiso 31288 erdszelem9 32559 coepr 33101 dffr5 33102 dfso2 33103 cnvco1 33108 cnvco2 33109 pocnv 33112 nomaxmo 33314 txpss3v 33452 brtxp 33454 brpprod3b 33461 idsset 33464 fixcnv 33482 brimage 33500 brcup 33513 brcap 33514 dfrecs2 33524 dfrdg4 33525 dfint3 33526 imagesset 33527 brlb 33529 fvline 33718 ellines 33726 trer 33777 poimirlem31 35088 poimir 35090 frinfm 35173 xrnss3v 35784 rencldnfilem 39761 cnvssco 40306 psshepw 40489 dffrege115 40679 frege131 40695 frege133 40697 gte-lteh 45252 gt-lth 45253 |
Copyright terms: Public domain | W3C validator |