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Proof step 13 from proof test-sqrt-04 (previous step)

even(4) ⊦ sqrt(mkDecimal(29, 4).int * 1000000) = 5385

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 14:
⊦ ¬(i % 10 = 0 ∧ j ≠ 0 ∧ i ≠ 0) → mkDecimal(i, j).int = i
Proof step 15:
¬(29 % 10 = 0 ∧ 4 ≠ 0 ∧ 29 ≠ 0), even(4) ⊦ sqrt(29 * 1000000) = 5385

Rule argument

spec: decimal inst: name: intvalue-base seq: ⊦ ¬(i % 10 = 0 ∧ j ≠ 0 ∧ i ≠ 0) → mkDecimal(i, j).int = i subst: [j, i] → [4, 29] flags: rewrite

Additional information

Used terms: 4, 29