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Proof step 11 from proof bitsor-first-01 (previous step)

bitsor(boolvar ' + bits1, boolvar0 ' + bits) = boolvar1 ' + bits0 ⊦ boolvar1 ↔ boolvar ∨ boolvar0

User applied rule cut formula

And obtained the following new goals

Proof step 12:
boolvar1, bitsor(boolvar ' + bits1, boolvar0 ' + bits) = boolvar1 ' + bits0 ⊦ boolvar1 ↔ boolvar ∨ boolvar0
Proof step 15:
bitsor(boolvar ' + bits1, boolvar0 ' + bits) = boolvar1 ' + bits0 ⊦ boolvar1, boolvar1 ↔ boolvar ∨ boolvar0

Rule argument

fma: boolvar1

Additional information

Used formulas: boolvar1