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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 6151 and dfrel3 6160. (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 5633 | . 2 wff Rel 𝐴 |
| 3 | cvv 3430 | . . . 4 class V | |
| 4 | 3, 3 | cxp 5626 | . . 3 class (V × V) |
| 5 | 1, 4 | wss 3890 | . 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 5646 pwvrel 5678 brrelex12 5680 0nelrel0 5688 releq 5730 nfrel 5733 sbcrel 5734 relss 5735 ssrel 5736 elrel 5751 rel0 5752 nrelv 5753 relsng 5754 relun 5764 reliun 5769 reliin 5770 relopabiv 5773 relopabi 5775 relopabiALT 5776 exopxfr2 5797 relop 5803 eqbrrdva 5822 elreldm 5888 cnvcnv 6154 relrelss 6235 cnviin 6248 dff3 7050 oprabss 7472 relmptopab 7614 1st2nd 7989 1stdm 7990 releldm2 7993 relmpoopab 8041 reldmtpos 8181 dmtpos 8185 dftpos4 8192 tpostpos 8193 iiner 8733 fundmen 8975 nqerf 10850 uzrdgfni 13917 hashfun 14396 reltrclfv 14976 homarel 18000 relxpchom 18144 nfchnd 18574 ustrel 24174 utop2nei 24212 utop3cls 24213 metustrel 24514 pi1xfrcnv 25021 reldv 25834 dvbsss 25866 ssrelf 32685 1stpreimas 32776 fpwrelmap 32803 gsumhashmul 33125 metideq 34034 metider 34035 pstmfval 34037 esum2d 34234 txprel 36056 relsset 36065 elfuns 36092 fnsingle 36096 funimage 36105 bj-opelrelex 37455 bj-elid5 37480 mblfinlem1 37975 rngosn3 38242 xrnrel 38700 elrelsrel 38760 dihvalrel 41722 cnvcnvintabd 44024 cnvintabd 44027 clcnvlem 44047 rfovcnvf1od 44428 relopabVD 45324 sprsymrelfo 47948 dmtposss 49342 oppff1 49614 fuco2eld2 49780 fuco22a 49816 |
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