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Proof step 1 from proof sqrt-exact-square (conclusion)

⊦ dec0 * dec0 = dec ∧ 0_dec ≤ dec0 → sqrt(dec, i) = dec0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
mkDecimal(0, 0) ≤ dec0 ⊦ sqrt(dec0 * dec0, i) = dec0

Rule argument

Additional information

Used simplifier rules: zero-def: ⊦ 0_dec = mkDecimal(0, 0); from specification decimal-simple-ops