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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 5657 | . 2 ⊢ ◡𝐴 = {〈𝑥, 𝑦〉 ∣ 𝑦𝐴𝑥} | |
| 2 | 1 | relopabiv 5795 | 1 ⊢ Rel ◡𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5102 ◡ccnv 5648 Rel wrel 5654 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-tru 1565 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-v 3458 df-ss 3923 df-opab 5165 df-xp 5655 df-rel 5656 df-cnv 5657 |
| This theorem is referenced by: relbrcnvg 6096 eliniseg2 6097 cnvsym 6103 intasym 6104 asymref 6105 cnvopab 6126 cnvdif 6129 dfrel2 6177 cnvcnv 6180 cnvsn0 6199 cnvcnvsn 6208 resdm2 6220 coi2 6253 coires1 6254 cnvssrndm 6260 unidmrn 6268 cnviin 6275 predep 6319 funi 6555 funcnvsn 6573 funcnv2 6591 fcnvres 6743 f1cnvcnv 6773 funcnvmpt 6979 f1ompt 7094 fliftcnv 7297 cnvexg 7907 cnvf1o 8092 fsplit 8098 reldmtpos 8216 dmtpos 8220 rntpos 8221 dftpos3 8226 dftpos4 8227 tpostpos 8228 tposf12 8233 ercnv 8702 cnvct 9017 omxpenlem 9052 domss2 9110 cnvfi 9146 cnvfiALT 9284 trclublem 15010 relexpaddg 15068 fsumcnv 15802 fsumcom2 15803 fprodcnv 16015 fprodcom2 16016 invsym2 17798 oppcsect2 17814 cnvps 18612 tsrdir 18638 mvdco 19487 gsumcom2 20017 fcnvgreu 32876 dfcnv2 32879 gsummpt2co 33230 gsumhashmul 33249 cnvco1 36114 cnvco2 36115 colinrel 36412 trer 36681 releleccnv 38764 elec1cnvres 38779 eleccnvep 38791 brcnvrabga 38846 cnvresrn 38852 ineccnvmo 38861 elec1cnvxrn2 38924 dfsucmap3 38967 cnvelrels 39080 dfdisjALTV 39302 dfeldisj5 39317 dfantisymrel4 39368 dfantisymrel5 39369 cnvnonrel 44169 cnvcnvintabd 44181 cnvintabd 44184 cnvssco 44187 clrellem 44203 clcnvlem 44204 cnviun 44231 trrelsuperrel2dg 44252 dffrege115 44559 dmtposss 49502 tposrescnv 49505 tposres3 49507 tposideq 49514 |
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