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Theorem lem4.6.3le1 1084
Description: Equation 4.11 of [MegPav2000] p. 23. This is the first part of the equation. (Contributed by Roy F. Longton, 1-Jul-2005.)
Assertion
Ref Expression
lem4.6.3le1 (a1 b)a

Proof of Theorem lem4.6.3le1
StepHypRef Expression
1 u1lem9a 777 1 (a1 b)a
Colors of variables: term
Syntax hints:  wle 2   wn 4  1 wi1 12
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-a 40  df-i1 44  df-le1 130  df-le2 131
This theorem is referenced by: (None)
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