src/HOL/subset.thy
author nipkow
Mon Oct 21 09:50:50 1996 +0200 (1996-10-21)
changeset 2115 9709f9188549
parent 1475 7f5a4cd08209
child 5853 36b5559d8224
permissions -rw-r--r--
Added trans_tac (see Provers/nat_transitive.ML)
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(*  Title:      HOL/subset.thy
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    ID:         $Id$
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    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
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    Copyright   1994  University of Cambridge
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*)
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subset = Fun