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Proof step 4 from proof equal-minus-one (previous step)

i ^ j = ~1, i ≠ 0 ∨ 0 < j ⊦ j = 0, abs(j) % 2 = 1 ∧ i = ~1

User applied rule cut formula

And obtained the following new goals

Proof step 5:
i = ~1, i ^ j = ~1, i ≠ 0 ∨ 0 < j ⊦ j = 0, abs(j) % 2 = 1 ∧ i = ~1
Proof step 10:
i ^ j = ~1, i ≠ 0 ∨ 0 < j ⊦ i = ~1, j = 0, abs(j) % 2 = 1 ∧ i = ~1

Rule argument

fma: i = ~1

Additional information

Used formulas: i = ~1