Theorem orci 290

Description: Deduction introducing a disjunct.

Hypothesis

Ref	Expression
orci.1	|- ph

Assertion

Ref	Expression
orci	|- (ph \/ ps)

Proof of Theorem orci

Step	Hyp	Ref	Expression
1		orci.1	. 2 |- ph
2		orc 289	. 2 |- (ph -> (ph \/ ps))
3	1, 2	ax-mp 7	1 |- (ph \/ ps)

Syntax hints:   \/ wo 238

This theorem is referenced by:  prid1g 2926  snsspr1OLD 2958  so 3435  mnfltpnf 6515  0z 7150  nneoi 7204  bcpasci 8016  cos01bndlem2 8531  TFOid 13841  unttr 14059

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