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Proof step 2 from proof mult-gt-one (previous step)

0 < i, 1 < i1 ⊦ i < i1 * i

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: le-same: ⊦ 0 < i → (i * j ≤ i ↔ j ≤ 1);%associativity: ⊦ i * j * j0 = (i * j) * j0;%commutativity: ⊦ i * j = j * i;% ⊦ i < j → (j ≤ i ↔ false); (as)% ⊦ i < j ↔ ¬ j ≤ i; (ss)