no_vars: reset body mode, i.e. invent global frees (which are acceptable to Variable.auto_fixes);
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<h1>HOL/Isar_examples</h1>
Isar offers a new high-level proof (and theory) language interface to
Isabelle. This directory contains some example Isar documents. See
also the included document, or the <a
href="http://isabelle.in.tum.de/Isar/">Isabelle/Isar page</a> for more
information.
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