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Proof step 2 from proof ex-mkDecimal (previous step)

⊦ dec = mkDecimal(dec.int, dec.scale) ∧ 0 ≤ dec.scale

User applied rule insert lemma

And obtained the following new goals

Proof step 3:
⊦ dec = mkDecimal(dec.int, dec.scale)
Proof step 4:
dec = mkDecimal(dec.int, dec.scale) ⊦ dec = mkDecimal(dec.int, dec.scale) ∧ 0 ≤ dec.scale

Rule argument

spec: inst: name: mkDecimal-selectors seq: ⊦ dec = mkDecimal(dec.int, dec.scale) subst: [dec] → [dec] flags: current, []

Additional information

Used terms: dec