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| Mirrors > Home > ILE Home > Th. List > brcnv | Unicode 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 |
|
| opelcnv.2 |
|
| Ref | Expression |
|---|---|
| brcnv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opelcnv.1 |
. 2
| |
| 2 | opelcnv.2 |
. 2
| |
| 3 | brcnvg 4909 |
. 2
| |
| 4 | 1, 2, 3 | mp2an 426 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-v 2802 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-br 4087 df-opab 4149 df-cnv 4731 |
| This theorem is referenced by: cnvco 4913 dfrn2 4916 dfdm4 4921 cnvsym 5118 intasym 5119 asymref 5120 qfto 5124 dminss 5149 imainss 5150 dminxp 5179 cnvcnv3 5184 cnvpom 5277 cnvsom 5278 dffun2 5334 funcnvsn 5372 funcnv2 5387 funcnveq 5390 fun2cnv 5391 imadif 5407 f1ompt 5794 f1eqcocnv 5927 fliftcnv 5931 isocnv2 5948 ercnv 6718 ecid 6762 cnvinfex 7208 eqinfti 7210 infvalti 7212 infmoti 7218 dfinfre 9126 pw1nct 16540 |
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