An OBJect-oriented extension to MacParlog. It combines OBJect-oriented and parallel logic programming, giving the benefits of both paradigms within a single coherent development environment. Andrew Davison , then Imperial College now U Melbourne. OBJect orientation plus parallel logic, built on top of MacParlog. "Parlog++: A Parlog OBJect-Oriented Language", A. Davison, Parlog Group, Imperial College 1988. Sold by PLP Ltd. E-mail: .