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Theorem hadass 1453
Description: Associative law for triple XOR. (Contributed by Mario Carneiro, 4-Sep-2016.)
Assertion
Ref Expression
hadass

Proof of Theorem hadass
StepHypRef Expression
1 df-had 1447 . 2
2 xorass 1367 . 2
31, 2bitri 249 1
Colors of variables: wff setvar class
Syntax hints:  <->wb 184  \/_wxo 1363  haddwhad 1445
This theorem is referenced by:  hadcomb  1456
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-xor 1364  df-had 1447
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