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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 4938 |
. 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2208 ax-ext 2216 ax-sep 4230 ax-pow 4289 ax-pr 4324 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-v 2817 df-un 3217 df-in 3219 df-ss 3226 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-br 4112 df-opab 4174 df-cnv 4759 |
| This theorem is referenced by: cnvco 4942 dfrn2 4945 dfdm4 4950 cnvsym 5148 intasym 5149 asymref 5150 qfto 5154 dminss 5179 imainss 5180 dminxp 5209 cnvcnv3 5214 cnvpom 5307 cnvsom 5308 dffun2 5364 funcnvsn 5403 funcnv2 5418 funcnveq 5421 fun2cnv 5422 imadif 5438 f1ompt 5830 f1eqcocnv 5966 fliftcnv 5970 isocnv2 5987 ercnv 6790 ecid 6834 cnvinfex 7311 eqinfti 7313 infvalti 7315 infmoti 7321 dfinfre 9232 pw1nct 16794 |
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