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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 5663 | . 2 ⊢ ◡𝐴 = {〈𝑥, 𝑦〉 ∣ 𝑦𝐴𝑥} | |
| 2 | 1 | relopabiv 5803 | 1 ⊢ Rel ◡𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5106 ◡ccnv 5654 Rel wrel 5660 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-v 3456 df-ss 3901 df-opab 5171 df-xp 5661 df-rel 5662 df-cnv 5663 |
| This theorem is used by: relbrcnvg 6112 eliniseg2 6113 cnvsym 6119 intasym 6120 asymref 6121 cnvopab 6142 cnvdif 6145 cnvxp 6158 dfrel2 6192 cnvcnv 6195 cnvsn0 6223 cnvcnvsn 6232 resdm2 6244 coi2 6279 coires1 6280 cnvssrndm 6288 unidmrn 6297 cnviin 6304 predep 6348 funi 6589 funcnvsn 6609 funcnv2 6627 fcnvres 6778 f1cnvcnv 6808 funcnvmpt 7015 f1ompt 7132 fliftcnv 7339 cnvexg 7957 cnvf1o 8146 fsplit 8152 reldmtpos 8276 dmtpos 8280 rntpos 8281 dftpos3 8286 dftpos4 8287 tpostpos 8288 tposf12 8293 ercnv 8764 cnvct 9087 omxpenlem 9122 domss2 9180 cnvfi 9216 cnvfiALT 9353 trclublem 15174 relexpaddg 15232 fsumcnv 15965 fsumcom2 15966 fprodcnv 16176 fprodcom2 16177 invsym2 17964 oppcsect2 17980 cnvps 18778 tsrdir 18804 mvdco 19686 gsumcom2 20216 fcnvgreu 33335 dfcnv2 33337 gsummpt2co 33676 gsumhashmul 33695 cnvco1 36701 cnvco2 36702 colinrel 36999 trer 37281 releleccnv 39383 elec1cnvres 39398 eleccnvep 39410 brcnvrabga 39465 cnvresrn 39471 ineccnvmo 39480 elec1cnvxrn2 39543 dfsucmap3 39586 cnvelrels 39699 dfdisjALTV 39921 dfeldisj5 39936 dfantisymrel4 39987 dfantisymrel5 39988 cnvnonrel 44778 cnvcnvintabd 44790 cnvintabd 44793 cnvssco 44796 clrellem 44812 clcnvlem 44813 cnviun 44840 trrelsuperrel2dg 44861 dffrege115 45168 cocanss1 46114 dmtposss 50192 tposrescnv 50195 tposres3 50197 tposideq 50204 |
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