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Theorem eqbrtri 4104
Description: Substitution of equal classes into a binary relation. (Contributed by NM, 5-Aug-1993.)
Hypotheses
Ref Expression
eqbrtr.1 𝐴 = 𝐵
eqbrtr.2 𝐵𝑅𝐶
Assertion
Ref Expression
eqbrtri 𝐴𝑅𝐶

Proof of Theorem eqbrtri
StepHypRef Expression
1 eqbrtr.2 . 2 𝐵𝑅𝐶
2 eqbrtr.1 . . 3 𝐴 = 𝐵
32breq1i 4090 . 2 (𝐴𝑅𝐶𝐵𝑅𝐶)
41, 3mpbir 146 1 𝐴𝑅𝐶
Colors of variables: wff set class
Syntax hints:   = wceq 1395   class class class wbr 4083
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-ext 2211
This theorem depends on definitions:  df-bi 117  df-3an 1004  df-tru 1398  df-nf 1507  df-sb 1809  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-v 2801  df-un 3201  df-sn 3672  df-pr 3673  df-op 3675  df-br 4084
This theorem is referenced by:  eqbrtrri  4106  3brtr4i  4113  exmidpw2en  7090  exmidonfinlem  7387  neg1lt0  9234  halflt1  9344  3halfnz  9560  declei  9629  numlti  9630  faclbnd3  10982  geo2lim  12048  0.999...  12053  geoihalfsum  12054  fprodap0  12153  fprodap0f  12168  tan0  12263  cos2bnd  12292  sin4lt0  12299  eirraplem  12309  1nprm  12657  znnen  12990  cnfldstr  14543  tan4thpi  15536  zabsle1  15699  ex-fl  16198  trilpolemisumle  16520
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