20 ≤ i, i < 30 ⊦ i = 20 ∨ i = 21 ∨ i = 22 ∨ i = 23 ∨ i = 24 ∨ i = 25 ∨ i = 26 ∨ i = 27 ∨ i = 28 ∨ i = 29
631 % i = 0, i < 26, 0 < i, 1 < i, i * i ≤ 631 ⊦ 20 ≤ i ∧ i < 30
Used terms: i