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Theorem breqan12rd 4253
 Description: Equality deduction for a binary relation. (Contributed by NM, 8-Feb-1996.)
Hypotheses
Ref Expression
breq1d.1
breqan12i.2
Assertion
Ref Expression
breqan12rd

Proof of Theorem breqan12rd
StepHypRef Expression
1 breq1d.1 . . 3
2 breqan12i.2 . . 3
31, 2breqan12d 4252 . 2
43ancoms 441 1
 Colors of variables: wff set class Syntax hints:   wi 4   wb 178   wa 360   wceq 1653   class class class wbr 4237 This theorem is referenced by:  f1oweALT  6103  ledivdiv  9930  xltnegi  10833  ramub1lem1  13425  dvferm1  19900  dvferm2  19902  dvivthlem1  19923  ulmdvlem3  20349  lgsquad  21172  areacirclem4  26333  areacirclem5  26334 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1556  ax-5 1567  ax-17 1627  ax-9 1668  ax-8 1689  ax-6 1746  ax-7 1751  ax-11 1763  ax-12 1953  ax-ext 2423 This theorem depends on definitions:  df-bi 179  df-or 361  df-an 362  df-3an 939  df-tru 1329  df-ex 1552  df-nf 1555  df-sb 1660  df-clab 2429  df-cleq 2435  df-clel 2438  df-nfc 2567  df-rab 2720  df-v 2964  df-dif 3309  df-un 3311  df-in 3313  df-ss 3320  df-nul 3614  df-if 3764  df-sn 3844  df-pr 3845  df-op 3847  df-br 4238
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