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Mirrors > Home > MPE Home > Th. List > breq | Structured version Visualization version Unicode version |
Description: Equality theorem for binary relations. (Contributed by NM, 4-Jun-1995.) |
Ref | Expression |
---|---|
breq |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eleq2 2690 | . 2 | |
2 | df-br 4654 | . 2 | |
3 | df-br 4654 | . 2 | |
4 | 1, 2, 3 | 3bitr4g 303 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wceq 1483 wcel 1990 cop 4183 class class class wbr 4653 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-an 386 df-ex 1705 df-cleq 2615 df-clel 2618 df-br 4654 |
This theorem is referenced by: breqi 4659 breqd 4664 poeq1 5038 soeq1 5054 freq1 5084 fveq1 6190 foeqcnvco 6555 f1eqcocnv 6556 isoeq2 6568 isoeq3 6569 brfvopab 6700 ofreq 6900 supeq3 8355 oieq1 8417 dcomex 9269 axdc2lem 9270 brdom3 9350 brdom7disj 9353 brdom6disj 9354 dfrtrclrec2 13797 rtrclreclem3 13800 relexpindlem 13803 rtrclind 13805 shftfval 13810 isprs 16930 isdrs 16934 ispos 16947 istos 17035 efglem 18129 frgpuplem 18185 ordtval 20993 utop2nei 22054 utop3cls 22055 isucn2 22083 ucnima 22085 iducn 22087 ex-opab 27289 resspos 29659 eqfunresadj 31659 cureq 33385 poimirlem31 33440 poimir 33442 brabsb2 34147 rfovfvd 38296 fsovrfovd 38303 upwlkbprop 41719 sprsymrelf 41745 sprsymrelfo 41747 |
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