Implication Details
Claim: If a category has filtered-colimit-stable monomorphisms and is self-dual, then it has cofiltered-limit-stable epimorphisms.
Proof: This holds by self-duality.
Claim: If a category has filtered-colimit-stable monomorphisms and is self-dual, then it has cofiltered-limit-stable epimorphisms.
Proof: This holds by self-duality.