[ The Types Forum, http://lists.seas.upenn.edu/mailman/listinfo/types-list ]
I am wondering the origins of unit types proper, types with a single non void value originate from Dependent Type Theory or where they developed independently ? Any papers, references, or explanations as to their origin would be much appreciated. Many thanks in advance, Aaron -- Aaron Gray Independent Open Source Software Engineer, Computer Language Researcher, Information Theorist, and amateur computer scientist.
