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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 5667 | . 2 ⊢ ◡𝐴 = {〈𝑥, 𝑦〉 ∣ 𝑦𝐴𝑥} | |
| 2 | 1 | relopabiv 5805 | 1 ⊢ Rel ◡𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5107 ◡ccnv 5658 Rel wrel 5664 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-v 3455 df-ss 3919 df-opab 5172 df-xp 5665 df-rel 5666 df-cnv 5667 |
| This theorem is used by: relbrcnvg 6105 eliniseg2 6106 cnvsym 6112 intasym 6113 asymref 6114 cnvopab 6135 cnvdif 6138 cnvxp 6152 dfrel2 6186 cnvcnv 6189 cnvsn0 6210 cnvcnvsn 6219 resdm2 6231 coi2 6264 coires1 6265 cnvssrndm 6272 unidmrn 6281 cnviin 6288 predep 6332 funi 6569 funcnvsn 6587 funcnv2 6605 fcnvres 6756 f1cnvcnv 6786 funcnvmpt 6992 f1ompt 7107 fliftcnv 7315 cnvexg 7924 cnvf1o 8111 fsplit 8117 reldmtpos 8235 dmtpos 8239 rntpos 8240 dftpos3 8245 dftpos4 8246 tpostpos 8247 tposf12 8252 ercnv 8721 cnvct 9044 omxpenlem 9079 domss2 9137 cnvfi 9173 cnvfiALT 9309 trclublem 15070 relexpaddg 15128 fsumcnv 15861 fsumcom2 15862 fprodcnv 16074 fprodcom2 16075 invsym2 17856 oppcsect2 17872 cnvps 18670 tsrdir 18696 mvdco 19573 gsumcom2 20103 fcnvgreu 33132 dfcnv2 33135 gsummpt2co 33475 gsumhashmul 33494 cnvco1 36325 cnvco2 36326 colinrel 36624 trer 36922 releleccnv 38995 elec1cnvres 39010 eleccnvep 39022 brcnvrabga 39077 cnvresrn 39083 ineccnvmo 39092 elec1cnvxrn2 39155 dfsucmap3 39198 cnvelrels 39311 dfdisjALTV 39533 dfeldisj5 39548 dfantisymrel4 39599 dfantisymrel5 39600 cnvnonrel 44415 cnvcnvintabd 44427 cnvintabd 44430 cnvssco 44433 clrellem 44449 clcnvlem 44450 cnviun 44477 trrelsuperrel2dg 44498 dffrege115 44805 dmtposss 49789 tposrescnv 49792 tposres3 49794 tposideq 49801 |
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