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Proof step 14 from proof product-divide (previous step)

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

User applied rule all left

And obtained the following new goals

Proof step 15:
perm(ints2, ints0 + (ints1 -1l i)), i ∈ ints1, perm(ints2, ints0 + (ints1 -1l i)) → Π ints2 = Π ints0 * Π(ints1 -1l i) ⊦ i * Π ints2 = Π ints0 * Π ints1, i ∈ ints0

Rule argument

pos: left 3 terms: ints0, ints1 -1l i abort: F discard: T computed: T

Additional information

Used terms: ints0, ints1 -1l i