Name: toolbox Title: A theory of subsets on an intuitionistic and predicative foundation Author: Ferruccio Guidi Email: fguidi@cs.unibo.it Homepage: http://www.cs.unibo.it/~fguidi Institution: Department of Computer Science, University of Bologna Address: Mura Anteo Zamboni 7, 40127 Bologna, ITALY Date: March 31, 2005 Description: Url: Keywords: subsets, toolbox Version: 7.3.1 Require: