| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Define a general binary
relation. Note that the syntax is simply three
class symbols in a row. Definition 6.18 of [TakeutiZaring] p. 29
generalized to arbitrary classes. Class |
| Ref | Expression |
|---|---|
| df-br |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cA |
. . 3
| |
| 2 | cB |
. . 3
| |
| 3 | cR |
. . 3
| |
| 4 | 1, 2, 3 | wbr 3338 |
. 2
|
| 5 | 1, 2 | cop 3046 |
. . 3
|
| 6 | 5, 3 | wcel 1300 |
. 2
|
| 7 | 4, 6 | wb 163 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: breq 3340 breq1 3341 breq2 3342 ssbrd 3378 hbbr 3381 hbbrd 3382 brprc 3386 brun 3387 brin 3388 brdif 3389 opabss 3397 opabssOLD 3398 brabsb 3566 brabg 3568 posn 3603 brrelex 4028 brxp 4038 brelg 4047 brinxp2 4057 eqbrriv 4082 opelxpex2 4119 opelxpex2OLD 4120 opelco 4130 brco 4132 opelco2g 4133 cnvss 4134 elcnv2 4138 opelcnvg 4140 opelcnvgOLD 4141 brcnvg 4142 cnvcoOLD 4146 dfdm3 4148 dfrn3 4150 eldm2 4154 breldm 4161 opelrn 4192 elrn 4197 dmcossOLD 4212 brres 4223 resieq 4227 resiexg 4253 iss 4254 issOLD 4255 dfima2OLD 4266 dfima3 4267 dfima3OLD 4268 elima3 4272 imai 4280 elimasn 4289 elimasni 4292 eliniseg 4294 elinisegOLD 4295 cotr 4302 cotrOLD 4303 cnvsym 4304 cnvsymOLD 4305 intasym 4306 intasymOLD 4307 asymref 4308 asymrefOLD 4309 asymref2 4310 intirr 4312 intirrOLD 4313 cnviOLD 4321 rninxpOLD 4356 dmsnn0 4362 coiun 4407 co02 4411 coi1 4413 coass 4415 dffun4 4433 dffun5 4434 funeu2 4446 dffun8OLD 4449 funopab 4455 funsn 4463 funinOLD 4485 isarep1 4497 isarep1OLD 4498 fnop 4516 fneu2 4519 fcoi1OLD 4585 fcoi2OLD 4587 fv2 4676 tz6.12 4694 funopfv 4710 fnopfvb 4713 funopfvb 4715 fvelima 4723 dffv2 4734 fvopab5 4756 dff3 4790 dff4 4791 fvi 4818 f1oiso 4881 oprprc1 4908 fparlem1 5081 fparlem2 5082 fparlem3 5083 fparlem4 5084 dfec2 5321 brecop 5365 ecopoprdm 5368 brsdom 5440 brdom2 5447 idssen 5465 sbthcl 5522 brsdom2 5524 aceq3lem 5894 brdom3 5963 brdom7disj 5966 brdom6disj 5967 ltpiord 6167 ltxr 6664 xrlenlt 6670 eltopsp 8873 tpsex 8874 ismsg 9077 isgalem 9449 gapmlem 9461 isring 9465 avril1 10142 helloworld 10144 fora 10408 isdivrng 10417 divides 13664 dif2relOLD 13828 brtp 13830 fundmpss 13836 elrng 13878 elpredg 13889 xporderlem 13948 frxp 13951 wfrlem11 13967 brv 14063 symdif2rel 14064 brtxp 14067 brsset 14069 brbigcup 14074 eltids 14369 ref4w 14370 restidsing 14391 prj1 14395 inclrel 14444 deref 14633 vecval1b 14794 istopgrp 14971 mlteqer 15017 opncldf1 15402 compfipin0 15436 islocfin 15506 filnetlem4 15643 pofun 15772 eqbrrdv 16252 brabsb2 16253 eqbrrdv2 16255 cmtval 16938 cvrval 16988 |