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Proof step 10 from proof test-sqrt-03 (previous step)

⊦ sqrt(mkDecimal(144, 1).int * 10000000) = 37947

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 11:
⊦ ¬(i % 10 = 0 ∧ j ≠ 0 ∧ i ≠ 0) → mkDecimal(i, j).int = i
Proof step 12:
¬(144 % 10 = 0 ∧ 1 ≠ 0 ∧ 144 ≠ 0) ⊦ sqrt(144 * 10000000) = 37947

Rule argument

spec: decimal inst: name: intvalue-base seq: ⊦ ¬(i % 10 = 0 ∧ j ≠ 0 ∧ i ≠ 0) → mkDecimal(i, j).int = i subst: [j, i] → [1, 144] flags: rewrite

Additional information

Used terms: 1, 144