Theorem xor2 1369

Description: Two ways to express "exclusive or." (Contributed by Mario Carneiro, 4-Sep-2016.)

Assertion

Ref	Expression
xor2

Proof of Theorem xor2

Step	Hyp	Ref	Expression
1		df-xor 1364	. 2
2		nbi2 892	. 2
3	1, 2	bitri 249	1

Syntax hints:  -.wn 3  <->wb 184  \/wo 368  /\wa 369  \/_wxo 1363

This theorem is referenced by:  xoror  1370  xornan  1371  cador  1458  cad1  1465  saddisjlem  14114  nanorxor  31185  bj-ifdfxor  37732  dfxor4  37789

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