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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 5658 | . 2 ⊢ ◡𝐴 = {〈𝑥, 𝑦〉 ∣ 𝑦𝐴𝑥} | |
| 2 | 1 | relopabiv 5797 | 1 ⊢ Rel ◡𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5102 ◡ccnv 5649 Rel wrel 5655 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-v 3452 df-ss 3896 df-opab 5167 df-xp 5656 df-rel 5657 df-cnv 5658 |
| This theorem is used by: relbrcnvg 6100 eliniseg2 6101 cnvsym 6107 intasym 6108 asymref 6109 cnvopab 6130 cnvdif 6133 cnvxp 6146 dfrel2 6180 cnvcnv 6183 cnvsn0 6211 cnvcnvsn 6220 resdm2 6232 coi2 6265 coires1 6266 cnvssrndm 6273 unidmrn 6282 cnviin 6289 predep 6333 funi 6572 funcnvsn 6590 funcnv2 6608 fcnvres 6759 f1cnvcnv 6789 funcnvmpt 6995 f1ompt 7111 fliftcnv 7319 cnvexg 7936 cnvf1o 8122 fsplit 8128 reldmtpos 8251 dmtpos 8255 rntpos 8256 dftpos3 8261 dftpos4 8262 tpostpos 8263 tposf12 8268 ercnv 8739 cnvct 9062 omxpenlem 9097 domss2 9155 cnvfi 9191 cnvfiALT 9328 trclublem 15148 relexpaddg 15206 fsumcnv 15939 fsumcom2 15940 fprodcnv 16150 fprodcom2 16151 invsym2 17938 oppcsect2 17954 cnvps 18752 tsrdir 18778 mvdco 19659 gsumcom2 20189 fcnvgreu 33266 dfcnv2 33269 gsummpt2co 33609 gsumhashmul 33628 cnvco1 36524 cnvco2 36525 colinrel 36822 trer 37104 releleccnv 39193 elec1cnvres 39208 eleccnvep 39220 brcnvrabga 39275 cnvresrn 39281 ineccnvmo 39290 elec1cnvxrn2 39353 dfsucmap3 39396 cnvelrels 39509 dfdisjALTV 39731 dfeldisj5 39746 dfantisymrel4 39797 dfantisymrel5 39798 cnvnonrel 44588 cnvcnvintabd 44600 cnvintabd 44603 cnvssco 44606 clrellem 44622 clcnvlem 44623 cnviun 44650 trrelsuperrel2dg 44671 dffrege115 44978 cocanss1 45924 dmtposss 49984 tposrescnv 49987 tposres3 49989 tposideq 49996 |
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