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| Mirrors > Home > MPE Home > Th. List > relcnv | Structured version Visualization version GIF version | ||
| Description: A converse is a relation. Theorem 12 of [Suppes] p. 62. (Contributed by NM, 29-Oct-1996.) |
| Ref | Expression |
|---|---|
| relcnv | ⊢ Rel ◡𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-cnv 5631 | . 2 ⊢ ◡𝐴 = {〈𝑥, 𝑦〉 ∣ 𝑦𝐴𝑥} | |
| 2 | 1 | relopabiv 5768 | 1 ⊢ Rel ◡𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5097 ◡ccnv 5622 Rel wrel 5628 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2707 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2714 df-cleq 2727 df-clel 2810 df-v 3441 df-ss 3917 df-opab 5160 df-xp 5629 df-rel 5630 df-cnv 5631 |
| This theorem is referenced by: relbrcnvg 6063 eliniseg2 6064 cnvsym 6070 intasym 6071 asymref 6072 cnvopab 6093 cnvopabOLD 6094 cnvdif 6100 dfrel2 6146 cnvcnv 6149 cnvsn0 6167 cnvcnvsn 6176 resdm2 6188 coi2 6221 coires1 6222 cnvssrndm 6228 unidmrn 6236 cnviin 6243 predep 6287 funi 6523 funcnvsn 6541 funcnv2 6559 fcnvres 6710 f1cnvcnv 6738 funcnvmpt 6942 f1ompt 7056 fliftcnv 7257 cnvexg 7866 cnvf1o 8053 fsplit 8059 reldmtpos 8176 dmtpos 8180 rntpos 8181 dftpos3 8186 dftpos4 8187 tpostpos 8188 tposf12 8193 ercnv 8657 cnvct 8973 omxpenlem 9008 domss2 9066 cnvfi 9102 cnvfiALT 9241 trclublem 14920 relexpaddg 14978 fsumcnv 15698 fsumcom2 15699 fprodcnv 15908 fprodcom2 15909 invsym2 17689 oppcsect2 17705 cnvps 18503 tsrdir 18529 mvdco 19376 gsumcom2 19906 fcnvgreu 32730 dfcnv2 32733 gsummpt2co 33110 gsumhashmul 33129 cnvco1 35932 cnvco2 35933 colinrel 36230 trer 36489 releleccnv 38430 elec1cnvres 38445 eleccnvep 38457 brcnvrabga 38512 cnvresrn 38518 ineccnvmo 38527 elec1cnvxrn2 38590 dfsucmap3 38633 cnvelrels 38746 dfdisjALTV 38968 dfeldisj5 38983 dfantisymrel4 39034 dfantisymrel5 39035 cnvnonrel 43866 cnvcnvintabd 43878 cnvintabd 43881 cnvssco 43884 clrellem 43900 clcnvlem 43901 cnviun 43928 trrelsuperrel2dg 43949 dffrege115 44256 dmtposss 49158 tposrescnv 49161 tposres3 49163 tposideq 49170 |
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