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Theorem wa2 192
Description: Weak A2.
Assertion
Ref Expression
wa2 ((a v b) == (b v a)) = 1

Proof of Theorem wa2
StepHypRef Expression
1 ax-a2 31 . 2 (a v b) = (b v a)
21bi1 118 1 ((a v b) == (b v a)) = 1
Colors of variables: term
Syntax hints:   = wb 1   == tb 5   v wo 6  1wt 8
This theorem is referenced by:  wleao  377  wlea  388  woml7  437  wddi4  1108  wdid0id5  1109  wdid0id1  1110  wdid0id2  1111  wdid0id3  1112  wdid0id4  1113
This theorem was proved from axioms:  ax-a1 30  ax-a2 31  ax-a5 34  ax-r1 35  ax-r2 36  ax-r4 37  ax-r5 38
This theorem depends on definitions:  df-b 39  df-a 40  df-t 41  df-f 42
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