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Proof step 3 from proof mult-dist (previous step)

⊦ mkDecimal(i, i0) * (dec_i + dec_j) = mkDecimal(i, i0) * dec_i + mkDecimal(i, i0) * dec_j

User applied rule constructor cut

And obtained the following new goals

Proof step 4:
dec_i = mkDecimal(i1, i2) ⊦ mkDecimal(i, i0) * (dec_i + dec_j) = mkDecimal(i, i0) * dec_i + mkDecimal(i, i0) * dec_j

Rule argument

var: dec_i

Additional information

Used simplifier rules: decimal generated by mkDecimal;;