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: .