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doc-src/Tutorial/Datatype/lookupempty.ML
author
nipkow
Thu, 12 Nov 1998 16:45:40 +0100
changeset 5851
15ce4c1c8313
child 9255
2ceb11a2e190
permissions
-rw-r--r--
New section on advanced datatypes.
Goal "lookup (Trie None []) as = None";
by(exhaust_tac "as" 1);
by(Auto_tac);