Theorem olci 291

Description: Deduction introducing a disjunct.

Hypothesis

Ref	Expression
orci.1	|- ph

Assertion

Ref	Expression
olci	|- (ps \/ ph)

Proof of Theorem olci

Step	Hyp	Ref	Expression
1		orci.1	. 2 |- ph
2		olc 288	. 2 |- (ph -> (ps \/ ph))
3	1, 2	ax-mp 7	1 |- (ps \/ ph)

Syntax hints:   \/ wo 238

This theorem is referenced by:  sucid 3558  unisn2 3610  kmlem2 5724  pnfxrOLD 6457  leid 6497  xrleid 6531  nnleltp1 6933  sin01bndlem2 8529  FTOid 13842

This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7

This theorem depends on definitions:  df-bi 163  df-or 240

Copyright terms: Public domain