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Theorem imori 402

Description: Infer disjunction from implication. (Contributed by NM, 12-Mar-2012.)

**Hypothesis**
Ref	Expression
imori.1

**Assertion**
Ref	Expression
imori	$\/$

**Proof of Theorem imori**
Step	Hyp	Ref	Expression
1		imori.1	. 2
2		imor 401	. 2 $\/$
3	1, 2	mpbi 199	1 $\/$

Colors of variables: wff setvar class

Syntax hints:

wn 3

wi 4 $\/$ wo 357

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8

This theorem depends on definitions: df-bi 177 df-or 359

This theorem is referenced by: pm2.1 406 pm2.26 853 rb-ax1 1517