m ≠ 0 ⊦ is-aligned(n, m) → (n < m ↔ n = 0)
Used simplifier rules: is-aligned-ls-eq-zero: m ≠ 0 ⊦ is-aligned(n, m) → (n < m ↔ n = 0);% ⊦ 0 < m ↔ m ≠ 0; (s)