| i % j = 0 ⊦ j = 0, ∃ j0. i = j0 * j, 0 < j ∧ i < 0, j < 0 ∧ ¬ i < 0, 0 < j ∧ ¬ i < 0 |
i % j = 0 ⊦ j = 0, 0 < j, ∃ j0. i = j0 * j, 0 < j ∧ ¬ i < 0, j < 0 ∧ ¬ i < 0
Used simplifier rules: ⊦ i < j ↔ ¬ j ≤ i; (ss)% ⊦ i ≤ j → ¬ j < i; (s)% ⊦ ¬ i < j → (i = j ↔ ¬ j < i); (ss)% ⊦ i < j → ¬ j < i; (s)