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Proof step 11 from proof test-divides-04 (previous step)

¬(123123 % 10 = 0 ∧ 0 ≠ 0 ∧ 123123 ≠ 0) ⊦ mkDecimal(45 * 123123, mkDecimal(45, 4).scale + mkDecimal(123123, 0).scale) = mkDecimal(5540535, 4)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

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