ProgTutorial/Tactical.thy
2009-12-31 Christian Urban updated to new Isabelle
2009-12-06 Christian Urban polised
2009-12-04 Christian Urban polised the section about Subgoal.FOCUS
2009-12-03 Christian Urban tuned
2009-12-02 Christian Urban tunded
2009-12-02 Christian Urban implemented suggestion from Sascha
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