From: Jeremy Carroll <jjc@hpl.hp.com>

Date: Wed, 29 Jan 2003 08:17:33 +0100

To: www-webont-wg@w3.org

Message-Id: <200301290817.33320.jjc@hpl.hp.com>

Date: Wed, 29 Jan 2003 08:17:33 +0100

To: www-webont-wg@w3.org

Message-Id: <200301290817.33320.jjc@hpl.hp.com>

> after a exhausting day I hoped to find some compensation Proving tests is light relief? > (the range of p is a > class with one element and i is in a restriction on property > p with mincardinality of 1) so can someone give a hint? Try exhaustive search ... if S is a set with small cardinality then x memberOf S can be rewritten as x = s1 or x = w2 or ... or x = sn The hard bit - a test I've yet to write - is when the cardinality of S is not so small e.g. 30, but some of the members fit one pattern, some of the members fit a second, and the rest a third. By hand you prove it define S1 = first pattern define S2 = second pattern define S3 = third pattern S = S1 union S2 union S3 x member of S rewrites as x member of S1 or x member of S2 or x member of S3 But ... if you have the exhaustive rule above, you can easily find yourself exploring 30 possibilities where almost all the work is essentially the same (where by hand one would say 'similarly' and be done with it). JeremyReceived on Wednesday, 29 January 2003 02:24:17 UTC

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