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Proof step 11 from proof product-divide (previous step)

i ∈ ints0, perm(ints2, (ints0 -1l i) + ints1), perm(ints2, (ints0 -1l i) + ints1) → Π ints2 = Π(ints0 -1l i) * Π ints1 ⊦ i * Π ints2 = Π ints0 * Π ints1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
Π ints2 = Π(ints0 -1l i) * Π ints1, i ∈ ints0, perm(ints2, (ints0 -1l i) + ints1) ⊦ i * Π ints2 = Π ints0 * Π ints1

Proof step 11 from proof product-divide (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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