From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id FAA08965; Sat, 27 Apr 2002 05:43:56 +0200 (MET DST) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id FAA08989 for ; Sat, 27 Apr 2002 05:43:55 +0200 (MET DST) Received: from sunny.pacific.net.au (sunny.pacific.net.au [203.25.148.40]) by concorde.inria.fr (8.11.1/8.11.1) with ESMTP id g3R3hqf16307 for ; Sat, 27 Apr 2002 05:43:53 +0200 (MET DST) Received: from wisma.pacific.net.au (wisma.pacific.net.au [210.23.129.72]) by sunny.pacific.net.au with ESMTP id g3R3hpXt022508; Sat, 27 Apr 2002 13:43:51 +1000 (EST) Received: from ozemail.com.au (ppp7.dyn146.pacific.net.au [210.23.146.7]) by wisma.pacific.net.au with ESMTP id NAA07992; Sat, 27 Apr 2002 13:43:48 +1000 (EST) Message-ID: <3CCA1E74.9030701@ozemail.com.au> Date: Sat, 27 Apr 2002 13:43:48 +1000 From: John Max Skaller User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.2.1) Gecko/20010901 X-Accept-Language: en-us MIME-Version: 1.0 To: Jerome Vouillon CC: caml-list@inria.fr Subject: Re: [Caml-list] How to compare recursive types? References: <3CBD4523.6080707@ozemail.com.au> <87y9fmr4fo.dlv@wanadoo.fr> <3CC656E1.5020108@ozemail.com.au> <20020425132027.GA4702@strontium.pps.jussieu.fr> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk Jerome Vouillon wrote: >On Wed, Apr 24, 2002 at 04:55:29PM +1000, John Max Skaller wrote: > >>How to compare recursive types? >> > >You should definitively read "Recursive Subtyping Revealed" by >Vladimir Gapeyev, Michael Levin, and Benjamin Pierce. >(Available from http://www.cis.upenn.edu/~bcpierce/papers/index.html) > >If you are only interested in equality, > Actually, with my definition of equality I can just compare terms. But then I am still left with a requirement to establish if A is a subtype of B. Thanks for info.. I'll check out the papers. Good to see stuff online. (because that's all I have access to :-) -- John Max Skaller, mailto:skaller@ozemail.com.au snail:10/1 Toxteth Rd, Glebe, NSW 2037, Australia. voice:61-2-9660-0850 ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners