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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 5633 | . 2 ⊢ ◡𝐴 = {〈𝑥, 𝑦〉 ∣ 𝑦𝐴𝑥} | |
| 2 | 1 | relopabiv 5770 | 1 ⊢ Rel ◡𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5099 ◡ccnv 5624 Rel wrel 5630 |
| 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 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-v 3443 df-ss 3919 df-opab 5162 df-xp 5631 df-rel 5632 df-cnv 5633 |
| This theorem is referenced by: relbrcnvg 6065 eliniseg2 6066 cnvsym 6072 intasym 6073 asymref 6074 cnvopab 6095 cnvopabOLD 6096 cnvdif 6102 dfrel2 6148 cnvcnv 6151 cnvsn0 6169 cnvcnvsn 6178 resdm2 6190 coi2 6223 coires1 6224 cnvssrndm 6230 unidmrn 6238 cnviin 6245 predep 6289 funi 6525 funcnvsn 6543 funcnv2 6561 fcnvres 6712 f1cnvcnv 6740 funcnvmpt 6944 f1ompt 7058 fliftcnv 7260 cnvexg 7869 cnvf1o 8056 fsplit 8062 reldmtpos 8179 dmtpos 8183 rntpos 8184 dftpos3 8189 dftpos4 8190 tpostpos 8191 tposf12 8196 ercnv 8660 cnvct 8976 omxpenlem 9011 domss2 9069 cnvfi 9105 cnvfiALT 9244 trclublem 14923 relexpaddg 14981 fsumcnv 15701 fsumcom2 15702 fprodcnv 15911 fprodcom2 15912 invsym2 17692 oppcsect2 17708 cnvps 18506 tsrdir 18532 mvdco 19379 gsumcom2 19909 fcnvgreu 32754 dfcnv2 32757 gsummpt2co 33134 gsumhashmul 33153 cnvco1 35966 cnvco2 35967 colinrel 36264 trer 36523 releleccnv 38474 elec1cnvres 38489 eleccnvep 38501 brcnvrabga 38556 cnvresrn 38562 ineccnvmo 38571 elec1cnvxrn2 38634 dfsucmap3 38677 cnvelrels 38790 dfdisjALTV 39012 dfeldisj5 39027 dfantisymrel4 39078 dfantisymrel5 39079 cnvnonrel 43907 cnvcnvintabd 43919 cnvintabd 43922 cnvssco 43925 clrellem 43941 clcnvlem 43942 cnviun 43969 trrelsuperrel2dg 43990 dffrege115 44297 dmtposss 49198 tposrescnv 49201 tposres3 49203 tposideq 49210 |
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