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Theorem syl5eleq 2466
Description: B membership and equality inference. (Contributed by NM, 4-Jan-2006.)
Hypotheses
Ref Expression
syl5eleq.1  |-  A  e.  B
syl5eleq.2  |-  ( ph  ->  B  =  C )
Assertion
Ref Expression
syl5eleq  |-  ( ph  ->  A  e.  C )

Proof of Theorem syl5eleq
StepHypRef Expression
1 syl5eleq.1 . . 3  |-  A  e.  B
21a1i 11 . 2  |-  ( ph  ->  A  e.  B )
3 syl5eleq.2 . 2  |-  ( ph  ->  B  =  C )
42, 3eleqtrd 2456 1  |-  ( ph  ->  A  e.  C )
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1649    e. wcel 1717
This theorem is referenced by:  syl5eleqr  2467  opth1  4368  opth  4369  eqelsuc  4596  tfrlem11  6578  oalimcl  6732  omlimcl  6750  frgp0  15312  txdis  17578  rankeq1o  25819
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1552  ax-5 1563  ax-17 1623  ax-9 1661  ax-8 1682  ax-11 1753  ax-ext 2361
This theorem depends on definitions:  df-bi 178  df-an 361  df-ex 1548  df-cleq 2373  df-clel 2376
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