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Proof step 2 from proof modzero-08 (previous step)

abs(j0) < j, i * j + j0 ≤ 0, i * j + j0 < i, 0 < i ⊦

User applied rule cut formula

And obtained the following new goals

Proof step 3:
i * j + j0 = 0, abs(j0) < j, i * j + j0 ≤ 0, i * j + j0 < i, 0 < i ⊦
Proof step 6:
abs(j0) < j, i * j + j0 ≤ 0, i * j + j0 < i, 0 < i ⊦ i * j + j0 = 0

Rule argument

fma: i * j + j0 = 0

Additional information

Used formulas: i * j + j0 = 0