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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 6046 and dfrel3 6055. (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 5560 | . 2 wff Rel 𝐴 |
3 | cvv 3494 | . . . 4 class V | |
4 | 3, 3 | cxp 5553 | . . 3 class (V × V) |
5 | 1, 4 | wss 3936 | . 2 wff 𝐴 ⊆ (V × V) |
6 | 2, 5 | wb 208 | 1 wff (Rel 𝐴 ↔ 𝐴 ⊆ (V × V)) |
Colors of variables: wff setvar class |
This definition is referenced by: relxp 5573 pwvrel 5602 brrelex12 5604 0nelrel0 5612 releq 5651 nfrel 5654 sbcrel 5655 relss 5656 ssrel 5657 elrel 5671 rel0 5672 nrelv 5673 relsng 5674 relun 5684 reliun 5689 reliin 5690 relopabiv 5693 relopabi 5694 relopabiALT 5695 exopxfr2 5715 relop 5721 eqbrrdva 5740 elreldm 5805 cnvcnv 6049 relrelss 6124 cnviin 6137 dff3 6866 oprabss 7260 relmptopab 7395 1st2nd 7738 1stdm 7739 releldm2 7742 relmpoopab 7789 reldmtpos 7900 dmtpos 7904 dftpos4 7911 tpostpos 7912 iiner 8369 fundmen 8583 nqerf 10352 uzrdgfni 13327 hashfun 13799 reltrclfv 14377 homarel 17296 relxpchom 17431 ustrel 22820 utop2nei 22859 utop3cls 22860 metustrel 23162 pi1xfrcnv 23661 reldv 24468 dvbsss 24500 ssrelf 30366 1stpreimas 30441 fpwrelmap 30469 metideq 31133 metider 31134 pstmfval 31136 esum2d 31352 txprel 33340 relsset 33349 elfuns 33376 fnsingle 33380 funimage 33389 bj-opelrelex 34439 bj-elid5 34464 mblfinlem1 34944 rngosn3 35217 xrnrel 35640 elrelsrel 35742 dihvalrel 38430 cnvcnvintabd 40009 cnvintabd 40012 clcnvlem 40032 rfovcnvf1od 40399 relopabVD 41284 sprsymrelfo 43708 |
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