| ¬ ¬ dec_j.scale < dec_i.scale, dec_i.int * 10 ^ (dec_j.scale - min(dec_j.scale, dec_i.scale)) + dec_j.int * 10 ^ (dec_i.scale - min(dec_j.scale, dec_i.scale)) = 0, (dec_i.int + dec_j.int) % 10 = 0, 0 ≤ min(dec_j.scale, dec_i.scale), 0 ≤ dec_j.scale, 0 ≤ dec_i.scale, 0 ≤ dec_i.scale + dec_j.scale ⊦ dec_i.scale = dec_j.scale, dec_j.int % 10 = 0, dec_i.int % 10 = 0, dec_i.scale + dec_j.scale = max(dec_i.scale, dec_j.scale) |
dec_i.int + dec_j.int * 10 ^ (dec_i.scale - dec_j.scale) = 0, (dec_i.int + dec_j.int) % 10 = 0, 0 < dec_j.scale, 1 < dec_i.scale, dec_j.scale < dec_i.scale, 0 ≤ dec_i.scale + dec_j.scale, 0 ≤ dec_i.scale, 0 < dec_i.scale ⊦ dec_j.scale = 0, dec_i.int % 10 = 0, dec_i.scale = dec_j.scale
Used simplifier rules: forward-pos: ⊦ i < j ∧ 0 < i → 0 < j ∧ 1 < j; (forward) from specification int-basic1%forward-le-05: ⊦ i < j ∧ 0 ≤ i → 0 < j; (forward) from specification int-abs%lels-02: ⊦ i ≠ j → (i ≤ j ↔ i < j); from specification int-abs%intvalue-mod-10: ⊦ dec.scale ≠ 0 → dec.int % 10 ≠ 0; from specification decimal%add-c: ⊦ i + j = j + i; from specification int-basic2%add-a: ⊦ i + j + i0 = (i + j) + i0; from specification int-basic2%eq: ⊦ i = i + j ↔ j = 0; from specification int-basic2%max-c: ⊦ max(i, j) = max(j, i); from specification int-min%max-a: ⊦ max(i, max(j, j0)) = max(max(i, j), j0); from specification int-min%Max-right: ⊦ j < i → max(j, i) = i; from specification int-min%commutativity: ⊦ i * j = j * i; from specification int-mult%associativity: ⊦ i * j * j0 = (i * j) * j0; from specification int-mult%one: ⊦ 1 * i = i; from specification int-mult%sub-sub-03: ⊦ i - i = 0; from specification int-abs%min-c: ⊦ min(i, j) = min(j, i); from specification int-min%min-a: ⊦ min(i, min(j, j0)) = min(min(i, j), j0); from specification int-min%Min-left: ⊦ j < i → min(j, i) = j; from specification int-min