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Proof step 4 from proof square-sqrt-01 (
previous step
)
⊦ mkDecimal(0, 0) ≤ abs(dec), mkDecimal(sqrt((dec * dec).int), (dec * dec).scale / 2) * mkDecimal(sqrt((dec * dec).int), (dec * dec).scale / 2) = dec * dec
Heuristic simplifier applied rule simplifier
And closed the goal!
Rule argument
Additional information
Used simplifier rules: abs-not-neg: ⊦ mkDecimal(0, 0) ≤ abs(dec);