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Proof step 11 from proof test-divides-03 (previous step)

¬(1 % 10 = 0 ∧ 3 ≠ 0 ∧ 1 ≠ 0) ⊦ mkDecimal(1000 * 1, mkDecimal(1000, 0).scale + mkDecimal(1, 3).scale) = mkDecimal(1, 0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
⊦ mkDecimal(1000, mkDecimal(1000, 0).scale + mkDecimal(1, 3).scale) = mkDecimal(1, 0)

Rule argument

Additional information

Used simplifier rules: commutativity: ⊦ i * j = j * i; from specification int-mult%associativity: ⊦ i * j * j0 = (i * j) * j0; from specification int-mult