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Proof step 21 from proof mult-ls (previous step)

0 < i ⊦ i1 * 10 ^ abs(i4) < i3 * 10 ^ abs(i2) ↔ mkDecimal(i1, i2) < mkDecimal(i3, i4)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: inst: name: less-def-any seq: ⊦ mkDecimal(i, j) < mkDecimal(i0, j0) ↔ i * 10 ^ abs(j0) < i0 * 10 ^ abs(j) subst: [j0, i0, j, i] → [i4, i3, i2, i1] flags: rewrite, current

Additional information

Used terms: i4, i3, i2, i1