Theorem xoror 1370

Description: XOR implies OR. (Contributed by BJ, 19-Apr-2019.)

Assertion

Ref	Expression
xoror

Proof of Theorem xoror

Step	Hyp	Ref	Expression
1		xor2 1369	. 2
2	1	simplbi 460	1

Syntax hints:  -.wn 3  ->wi 4  \/wo 368  /\wa 369  \/_wxo 1363

This theorem is referenced by:  mtpxor  1604

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 185  df-or 370  df-an 371  df-xor 1364