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| Mirrors > Home > MPE Home > Th. List > df-rel | Structured version Visualization version GIF version | ||
| Description: Define the relation predicate. Definition 6.4(1) of [TakeutiZaring] p. 23. For alternate definitions, see dfrel2 6157 and dfrel3 6166. (Contributed by NM, 1-Aug-1994.) |
| Ref | Expression |
|---|---|
| df-rel | ⊢ (Rel 𝐴 ↔ 𝐴 ⊆ (V × V)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cA | . . 3 class 𝐴 | |
| 2 | 1 | wrel 5639 | . 2 wff Rel 𝐴 |
| 3 | cvv 3442 | . . . 4 class V | |
| 4 | 3, 3 | cxp 5632 | . . 3 class (V × V) |
| 5 | 1, 4 | wss 3903 | . 2 wff 𝐴 ⊆ (V × V) |
| 6 | 2, 5 | wb 206 | 1 wff (Rel 𝐴 ↔ 𝐴 ⊆ (V × V)) |
| Colors of variables: wff setvar class |
| This definition is referenced by: relxp 5652 pwvrel 5684 brrelex12 5686 0nelrel0 5694 releq 5736 nfrel 5739 sbcrel 5740 relss 5741 ssrel 5742 elrel 5757 rel0 5758 nrelv 5759 relsng 5760 relun 5770 reliun 5775 reliin 5776 relopabiv 5779 relopabi 5781 relopabiALT 5782 exopxfr2 5803 relop 5809 eqbrrdva 5828 elreldm 5894 cnvcnv 6160 relrelss 6241 cnviin 6254 dff3 7056 oprabss 7478 relmptopab 7620 1st2nd 7995 1stdm 7996 releldm2 7999 relmpoopab 8048 reldmtpos 8188 dmtpos 8192 dftpos4 8199 tpostpos 8200 iiner 8740 fundmen 8982 nqerf 10855 uzrdgfni 13895 hashfun 14374 reltrclfv 14954 homarel 17974 relxpchom 18118 nfchnd 18548 ustrel 24173 utop2nei 24211 utop3cls 24212 metustrel 24513 pi1xfrcnv 25030 reldv 25844 dvbsss 25876 ssrelf 32711 1stpreimas 32802 fpwrelmap 32829 gsumhashmul 33167 metideq 34077 metider 34078 pstmfval 34080 esum2d 34277 txprel 36099 relsset 36108 elfuns 36135 fnsingle 36139 funimage 36148 bj-opelrelex 37426 bj-elid5 37451 mblfinlem1 37937 rngosn3 38204 xrnrel 38662 elrelsrel 38722 dihvalrel 41684 cnvcnvintabd 43985 cnvintabd 43988 clcnvlem 44008 rfovcnvf1od 44389 relopabVD 45285 sprsymrelfo 47886 dmtposss 49264 oppff1 49536 fuco2eld2 49702 fuco22a 49738 |
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