1 < j, 0 < j, 0 ≤ j ⊦ ∃ bits. uint2bits(j) = false ' + true ' + bits ∧ bits ≠ []
Used simplifier rules: ⊦ (* i) < j ∧ 0 < i → 0 ≤ j ∧ 0 < j; (forward)