⊦ i ≤ i0 ∧ 0 ≤ i ∧ 0 ≤ j → ¬ i0 ^ j < i ^ j
Used simplifier rules: ⊦ i ≤ 0 ∧ 0 ≤ j → i ≤ j; (s)% ⊦ i ≤ j ↔ ¬ j < i; (ss)% ⊦ i < j → ¬ j < i; (s) Used terms: i0, j, i