Implication Details
Claim: If a category is countably extensive, then it is extensive.
Proof: This is obvious.
Show 55 categories using this implication
- category of abelian groups
- category of abelian sheaves
- category of algebras
- category of Banach spaces with linear contractions
- category of commutative algebras
- category of commutative monoids
- category of commutative rings
- category of countable groups
- category of countable sets
- category of fields
- category of filtered vector spaces
- category of finite-dimensional vector spaces [uncountable field]
- category of free abelian groups
- category of groups
- category of Hausdorff spaces
- category of Jónsson-Tarski algebras
- category of left modules over a division ring
- category of left modules over a ring
- category of locally ringed spaces
- category of M-sets
- category of measurable spaces
- category of metric spaces with continuous maps
- category of metric spaces with ∞ allowed
- category of monoids
- category of non-empty sets
- category of pairs of sets
- category of partially ordered sets
- category of pointed sets
- category of pointed topological spaces
- category of preordered sets
- category of rings
- category of rngs
- category of schemes
- category of set functions and commutative squares
- category of sets
- category of sets and relations
- category of sheaves
- category of simplicial sets
- category of small categories
- category of smooth manifolds
- category of topological spaces
- category of torsion abelian groups
- category of torsion-free abelian groups
- category of vector spaces
- category of Z-functors
- delooping of a non-trivial finite group
- delooping of the additive monoid of ordinal numbers
- partially ordered collection of ordinal numbers
- partially ordered set of extended natural numbers
- real interval [0,1]
- trivial category
- walking commutative square
- walking composable pair
- walking isomorphism
- walking morphism