| ¬ dec.int < 0 ⊦ mkDecimal(dec.int, dec.scale).int = dec.int |
0 ≤ dec.int ⊦ mkDecimal(dec.int, dec.scale).int = dec.int
Used simplifier rules: forward-le-01: ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j; (forward) from specification int-abs%lels: ⊦ ¬ i < j ↔ j ≤ i; from specification int-abs