Category with finite products and exponentials: the functor (−) × B has a right adjoint (−)^B. Internal hom enables currying. Set, Cat, Grpd, and every topos are CCC; models of the simply-typed λ-calculus. CCC with a subobject classifier…
Category with finite products and exponentials: the functor (−) × B has a right adjoint (−)^B. Internal hom enables currying. Set, Cat, Grpd, and every topos are CCC; models of the simply-typed λ-calculus. CCC with a subobject classifier…