Implication Details
Claim: If a category is self-dual and has ℵ₂-small copowers, then it has ℵ₂-small powers.
Proof: This holds by self-duality.
Claim: If a category is self-dual and has ℵ₂-small copowers, then it has ℵ₂-small powers.
Proof: This holds by self-duality.