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Proof step 1 from proof dec2int-zero (conclusion)

⊦ dec2int(mkDecimal(i, 0)) = i

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ dec2int(dec) = dec.int / 10 ^ dec.scale
Proof step 3:
⊦ mkDecimal(i, 0).int / 10 ^ mkDecimal(i, 0).scale = i

Rule argument

spec: inst: name: dec2int-def seq: ⊦ dec2int(dec) = dec.int / 10 ^ dec.scale subst: [dec] → [mkDecimal(i, 0)] flags: rewrite, current

Additional information

Used terms: mkDecimal(i, 0)