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Theorem wcomorr 412
Description: Weak commutation law. (Contributed by NM, 13-Oct-1997.)
Assertion
Ref Expression
wcomorr C (a, (ab)) = 1

Proof of Theorem wcomorr
StepHypRef Expression
1 wleo 387 . 2 (a2 (ab)) = 1
21wlecom 409 1 C (a, (ab)) = 1
Colors of variables: term
Syntax hints:   = wb 1  wo 6  1wt 8   C wcmtr 29
This theorem was proved from axioms:  ax-a1 30  ax-a2 31  ax-a3 32  ax-a4 33  ax-a5 34  ax-r1 35  ax-r2 36  ax-r4 37  ax-r5 38  ax-wom 361
This theorem depends on definitions:  df-b 39  df-a 40  df-t 41  df-f 42  df-i1 44  df-i2 45  df-le 129  df-le1 130  df-le2 131  df-cmtr 134
This theorem is referenced by:  wnbdi  429  ska2  432  ska4  433  woml6  436
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