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Proof step 6 from proof even-add (previous step)

i + j = j0 * 2 ⊦ i % 2 = 0 ∧ j % 2 = 0, i % 2 ≠ 0 ∧ j % 2 ≠ 0

User applied rule cut formula

And obtained the following new goals

Proof step 7:
i % 2 = 0, i + j = j0 * 2 ⊦ i % 2 = 0 ∧ j % 2 = 0, i % 2 ≠ 0 ∧ j % 2 ≠ 0
Proof step 16:
i + j = j0 * 2 ⊦ i % 2 = 0, i % 2 = 0 ∧ j % 2 = 0, i % 2 ≠ 0 ∧ j % 2 ≠ 0

Rule argument

fma: i % 2 = 0

Additional information

Used formulas: i % 2 = 0