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Proof step 53 from proof even-sum (
previous step
)
even(i1), odd(i2), even(i0), odd(i) ⊦ (even(i1) ∧ even(i0) ∨ odd(i1) ∧ odd(i0)) ∧ even(i2 + i)
Heuristic simplifier applied rule simplifier
And obtained the following new goals
Proof step 54
:
even(i1), odd(i2), even(i0), odd(i) ⊦ even(i2 + i)
Rule argument
Additional information