Another example is the type-free .lambda.-calculus of Church … . This leads to the defining equation. D=A+ … [D-> D] … [where D is the domain of objects, A is the domain of atoms, + is domain union, and [D->D] … is the domain of functions from D to D] … In fact there are always more elements of … [D->D] … to an isomorphism" only) cannot be satisfied. …
Google-1
Google-2
Copyright clearance needed for quotation.