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Proof step 3 from proof square-ls (previous step)

⊦ mkDecimal(i, i0) * mkDecimal(i, i0) < dec0 * dec0 ↔ abs(mkDecimal(i, i0)) < abs(dec0)

User applied rule constructor cut

And obtained the following new goals

Proof step 4:
dec0 = mkDecimal(i1, i2) ⊦ mkDecimal(i, i0) * mkDecimal(i, i0) < dec0 * dec0 ↔ abs(mkDecimal(i, i0)) < abs(dec0)

Rule argument

var: dec0

Additional information

Used simplifier rules: decimal generated by mkDecimal;;