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Proof step 2 from proof test-sqrt-03 (
previous step
)
⊦ odd(dec_i.scale) → sqrt(dec_i, i) = mkDecimal(sqrt(dec_i.int * 10 ^ (2 * abs(i) + 1)), (dec_i.scale + 1) / 2 + abs(i))
Lemma
sqrt-odd-precision-def