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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 6148 and dfrel3 6157. (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 5630 | . 2 wff Rel 𝐴 |
| 3 | cvv 3441 | . . . 4 class V | |
| 4 | 3, 3 | cxp 5623 | . . 3 class (V × V) |
| 5 | 1, 4 | wss 3902 | . 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 5643 pwvrel 5675 brrelex12 5677 0nelrel0 5685 releq 5727 nfrel 5730 sbcrel 5731 relss 5732 ssrel 5733 elrel 5748 rel0 5749 nrelv 5750 relsng 5751 relun 5761 reliun 5766 reliin 5767 relopabiv 5770 relopabi 5772 relopabiALT 5773 exopxfr2 5794 relop 5800 eqbrrdva 5819 elreldm 5885 cnvcnv 6151 relrelss 6232 cnviin 6245 dff3 7047 oprabss 7468 relmptopab 7610 1st2nd 7985 1stdm 7986 releldm2 7989 relmpoopab 8038 reldmtpos 8178 dmtpos 8182 dftpos4 8189 tpostpos 8190 iiner 8730 fundmen 8972 nqerf 10845 uzrdgfni 13885 hashfun 14364 reltrclfv 14944 homarel 17964 relxpchom 18108 nfchnd 18538 ustrel 24160 utop2nei 24198 utop3cls 24199 metustrel 24500 pi1xfrcnv 25017 reldv 25831 dvbsss 25863 ssrelf 32696 1stpreimas 32787 fpwrelmap 32814 gsumhashmul 33152 metideq 34052 metider 34053 pstmfval 34055 esum2d 34252 txprel 36073 relsset 36082 elfuns 36109 fnsingle 36113 funimage 36122 bj-opelrelex 37351 bj-elid5 37376 mblfinlem1 37860 rngosn3 38127 xrnrel 38585 elrelsrel 38645 dihvalrel 41607 cnvcnvintabd 43908 cnvintabd 43911 clcnvlem 43931 rfovcnvf1od 44312 relopabVD 45208 sprsymrelfo 47810 dmtposss 49188 oppff1 49460 fuco2eld2 49626 fuco22a 49662 |
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