--- /dev/null
+
+ Contribution Padova/SUBSETS
+ ============================
+
+This directory contains a formalization in Coq of the content of this paper
+describing a theory of subsets on a intuitionistic a predicative foundation:
+
+G.Sambin, S.Valentini:
+Building up a toolbox for Martin-Lof's type theory: subset theory.
+In Proc. of Twenty-five years of constructive type theory,
+Oxford U.P. (1998) pp. 221-244.
+
+Author & Date: Ferruccio Guidi
+ Department of Computer Science, University of Bologna
+ March 2005
+E-mail : fguidi@cs.unibo.it
+WWW : http://www.cs.unibo.it/~fguidi
+
+Installation procedure:
+-----------------------
+
+ To get this contribution compiled, type
+
+ make
+
+ or
+
+ make opt
+
+ The main modules produced by the compilation are:
+
+ Toolbox provides the theory of subsets and its prerequisites
+
+ Base provides just the prerequisites
+
+Description:
+------------
+
+Further information on this contribution:
+-----------------------------------------
+
+ The latest version of this development is maintained in the CVS repository
+ of the HELM project <helm.cs.unibo.it> and can be downloaded at:
+
+ www.cs.unibo.it/cgi-bin/viewcvs.cgi/helm/coq-contribs/SUBSETS.tgz