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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 4777 |
. 2
| |
| 2 | 1 | relopabi 4900 |
1
|
| Colors of variables: wff set class |
| Syntax hints: class class
class wbr 4125 |
| 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 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 4244 ax-pow 4306 ax-pr 4341 |
| This theorem 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 3687 df-sn 3711 df-pr 3712 df-op 3714 df-opab 4188 df-xp 4775 df-rel 4776 df-cnv 4777 |
| This theorem is referenced by: relbrcnvg 5161 eliniseg2 5162 cnvsym 5166 intasym 5167 asymref 5168 cnvopab 5184 cnv0 5186 cnvdif 5189 dfrel2 5233 cnvcnv 5235 cnvsn0 5251 cnvcnvsn 5259 resdm2 5273 coi2 5299 coires1 5300 cnvssrndm 5304 unidmrn 5315 cnvexg 5320 cnviinm 5324 funi 5404 funcnvsn 5421 funcnv2 5436 funcnveq 5439 fcnvres 5570 f1cnvcnv 5604 f1ompt 5850 fliftcnv 5991 cnvf1o 6451 reldmtpos 6514 dmtpos 6517 rntpos 6518 dftpos3 6523 dftpos4 6524 tpostpos 6525 tposf12 6530 ercnv 6818 cnvct 7087 relcnvfi 7245 fsumcnv 12182 fisumcom2 12183 fprodcnv 12370 fprodcom2fi 12371 |
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