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| Mirrors > Home > ILE Home > Th. List > relcnv | Unicode version | ||
| Description: A converse is a relation. Theorem 12 of [Suppes] p. 62. (Contributed by NM, 29-Oct-1996.) |
| Ref | Expression |
|---|---|
| relcnv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-cnv 4784 |
. 2
| |
| 2 | 1 | relopabi 4907 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
class class class wbr 4131 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-opab 4194 df-xp 4782 df-rel 4783 df-cnv 4784 |
| This theorem is used by: relbrcnvg 5169 eliniseg2 5170 cnvsym 5174 intasym 5175 asymref 5176 cnvopab 5192 cnv0 5194 cnvdif 5197 dfrel2 5241 cnvcnv 5243 cnvsn0 5259 cnvcnvsn 5267 resdm2 5281 coi2 5307 coires1 5308 cnvssrndm 5312 unidmrn 5323 cnvexg 5328 cnviinm 5332 funi 5412 funcnvsn 5429 funcnv2 5444 funcnveq 5447 fcnvres 5578 f1cnvcnv 5612 f1ompt 5862 fliftcnv 6004 cnvf1o 6465 reldmtpos 6528 dmtpos 6531 rntpos 6532 dftpos3 6537 dftpos4 6538 tpostpos 6539 tposf12 6544 ercnv 6832 cnvct 7101 relcnvfi 7259 fsumcnv 12229 fisumcom2 12230 fprodcnv 12417 fprodcom2fi 12418 gsumcom2fi 14275 |
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