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Proof step 1 from proof prime-not-odd (conclusion)

⊦ ¬ odd(j) → (prime(j) ↔ j = 2)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
prime(j) ⊦ j = 2, odd(j)

Rule argument

Additional information

Used simplifier rules: prime-two-01: ⊦ prime(2);