cointersection

EnglishEdit

EtymologyEdit

co- +‎ intersection

NounEdit

cointersection ‎(plural cointersections)

  1. (mathematics) A family of behavioural equivalences which factors through all elements of a second specified family of behavioural equivalences and for which any morphism that factors through the second family of behavioural equivalences also factors through its elements.
    • 1986, Yves Diers, Categories of Boolean sheaves of simple algebras
      the left adjoint [] preserves direct factors, their cointersections, their complements and thus their counions