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Proof step 22 from proof mult-eq-same (previous step)

i3 = 0, i * i3 * 10 ^ abs(i2) * 10 ^ abs(i4) = i1 * i3 * 10 ^ abs(i0) * 10 ^ abs(i4) ⊦ mkDecimal(i3, i4) = mkDecimal(0, 0), mkDecimal(i, i0) = mkDecimal(i1, i2)

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%Mult-zero: ⊦ i * 0 = 0; from specification int-mult