Faithful functor

GPTKB entity

Statements (22)
Predicate Object
gptkbp:instanceOf gptkb:Functor
gptkb:mathematical_concept
gptkbp:appearsIn Category theory textbooks
gptkbp:contrastsWith gptkb:Fully_faithful_functor
Full functor
gptkbp:definedIn A functor that is injective on hom-sets
gptkbp:example The inclusion functor from a subcategory
The forgetful functor from the category of groups to sets
gptkbp:field gptkb:Mathematics
Category theory
gptkbp:hasProperty Preserves distinct morphisms
gptkbp:hasWikipediaPage https://en.wikipedia.org/wiki/Faithful_functor
https://www.w3.org/2000/01/rdf-schema#label Faithful functor
gptkbp:opposedBy gptkb:Unfaithful_functor
gptkbp:property For any two objects X, Y, the map Hom(X,Y) → Hom(F(X),F(Y)) is injective
gptkbp:relatedConcept gptkb:Forgetful_functor
gptkbp:used_in gptkb:algebra
gptkb:logic
gptkb:Topology
gptkb:Representation_theory
gptkbp:bfsParent gptkb:Functor
gptkbp:bfsLayer 5