The paper discusses semalltics of encodings in logical frameworkswhere equalities in object calculi are represented by families of types as the case inELF. The notion of Leibniz equality in a category is introduced. T...
Project supported by the National Natural Science Foundation of China.
The notions of class, subclass, superclass and inheritance were first introduced into programming languages by Simula 67, and further developed in languages like Smalltalk and C++ to form a special programming style, ...