Implication Details
Claim: If a category is one-way and has zero morphisms, then it is thin.
Proof: If are two morphisms, then since we have
Show 23 categories using this implication
- category of abelian groups
- category of abelian sheaves
- category of Banach spaces with linear contractions
- category of commutative monoids
- category of countable groups
- category of filtered vector spaces
- category of finite abelian groups
- category of finite groups
- category of finite-dimensional vector spaces [countable field]
- category of finite-dimensional vector spaces [finite field]
- category of finite-dimensional vector spaces [uncountable field]
- category of finitely generated abelian groups
- category of groups
- category of left modules over a division ring
- category of left modules over a ring
- category of monoids
- category of pointed sets
- category of pointed topological spaces
- category of rngs
- category of torsion abelian groups
- category of torsion-free abelian groups
- category of vector spaces
- walking idempotent