Theorem mpanr2 438

Description: An inference based on modus ponens. (Contributed by NM, 3-May-1994.) (Proof shortened by Andrew Salmon, 7-May-2011.) (Proof shortened by Wolf Lammen, 7-Apr-2013.)

Hypotheses

Ref	Expression
mpanr2.1	|- ch
mpanr2.2	|- ( ( ph /\ ( ps /\ ch ) ) -> th )

Assertion

Ref	Expression
mpanr2	|- ( ( ph /\ ps ) -> th )

Proof of Theorem mpanr2

Step	Hyp	Ref	Expression
1		mpanr2.1	. . 3 |- ch
2	1	jctr 315	. 2 |- ( ps -> ( ps /\ ch ) )
3		mpanr2.2	. 2 |- ( ( ph /\ ( ps /\ ch ) ) -> th )
4	2, 3	sylan2 286	1 |- ( ( ph /\ ps ) -> th )

Syntax hints:   -> wi 4   /\ wa 104

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108

This theorem is referenced by:  op1steq  6246  fpmg  6742  pmresg  6744  pw2f1odc  6905  pm54.43  7269  prarloclemarch2  7503  prarloclemlt  7577  prsradd  7870  muleqadd  8712  divdivap1  8767  addltmul  9245  elfzp1b  10189  elfzm1b  10190  expp1zap  10697  expm1ap  10698  fiinbas  14369  opnneissb  14475  blssec  14758