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Proof step 2 from proof test-div-01 (previous step)

⊦ ¬ dec_j | dec_i → div(dec_i, dec_j, i) = mkDecimal((dec_i.int * 10 ^ (dec_j.scale + abs(i))) / dec_j.int / 10 ^ maxScale(dec_j.int), dec_i.scale + abs(i) + maxScale(dec_j.int))

Proof step 2 from proof test-div-01 (previous step)

Lemma div-precision-def