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Proof step 9 from proof scale-abs (
previous step
)
0 ≤ dec.int ⊦ mkDecimal(dec.int, dec.scale).scale = dec.scale
User applied rule insert rewrite lemma
And obtained the following new goals
Proof step 10
:
⊦ mkDecimal(dec.int, dec.scale) = dec
Rule argument
spec: decimal inst: name: mkDecimal-constructor seq: ⊦ mkDecimal(dec.int, dec.scale) = dec subst: [dec] → [dec] flags: rewrite
Additional information
Used terms: dec