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Theorem syl6mpi 58
Description: e20 28816 without virtual deductions. (Contributed by Alan Sare, 8-Jul-2011.) (Proof shortened by Wolf Lammen, 13-Sep-2012.)
Hypotheses
Ref Expression
syl6mpi.1  |-  ( ph  ->  ( ps  ->  ch ) )
syl6mpi.2  |-  th
syl6mpi.3  |-  ( ch 
->  ( th  ->  ta ) )
Assertion
Ref Expression
syl6mpi  |-  ( ph  ->  ( ps  ->  ta ) )

Proof of Theorem syl6mpi
StepHypRef Expression
1 syl6mpi.1 . 2  |-  ( ph  ->  ( ps  ->  ch ) )
2 syl6mpi.2 . . 3  |-  th
3 syl6mpi.3 . . 3  |-  ( ch 
->  ( th  ->  ta ) )
42, 3mpi 16 . 2  |-  ( ch 
->  ta )
51, 4syl6 29 1  |-  ( ph  ->  ( ps  ->  ta ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4
This theorem is referenced by:  suceloni  4620  bndrank  7529  ac10ct  7677  1re  8853  limptlimpr2lem2  25678  tratrb  28598  onfrALTlem3  28608  ee20an  28818
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 8
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