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Proof step 24 from proof max_prime_divisor-nls-02 (previous step)

i / j < i, i / j < 2, j < i, j | i, prime(j), 0 < i, 0 ≤ i, 2 ≤ i, j < max_prime_divisor(i / j), ∀ j0. j < j0 ∧ j0 < i ∧ prime(j0) → ¬ j0 | i ⊦ prime(i)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 25:
⊦ i | j ↔ (∃ i0. i * i0 = j)
Proof step 26:
i / j < i, i / j < 2, j < i, ∃ i0. j * i0 = i, prime(j), 0 < i, 0 ≤ i, 2 ≤ i, j < max_prime_divisor(i / j), ∀ j0. j < j0 ∧ j0 < i ∧ prime(j0) → ¬ j0 | i ⊦ prime(i)

Rule argument

spec: inst: name: divides seq: ⊦ i | j ↔ (∃ i0. i * i0 = j) subst: [j, i] → [i, j] flags: rewrite, current

Additional information

Used terms: i, j