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doc-src/Tutorial/Datatype/lookupempty.ML
author
wenzelm
Thu, 04 Oct 2001 15:29:37 +0200
changeset 11680
b5b96188e94c
parent 9255
2ceb11a2e190
permissions
-rw-r--r--
qualify MetaSimplifier;
Ignore whitespace changes -
Everywhere:
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At end of lines:
5851
15ce4c1c8313
New section on advanced datatypes.
nipkow
parents:
diff
changeset
1
Goal "lookup (Trie None []) as = None";
9255
2ceb11a2e190
*** empty log message ***
nipkow
parents:
5851
diff
changeset
2
by(case_tac "as" 1);
5851
15ce4c1c8313
New section on advanced datatypes.
nipkow
parents:
diff
changeset
3
by(Auto_tac);