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theory Isar
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imports Base
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begin
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chapter {* Isar language elements *}
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text {*
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  The primary Isar language consists of three main categories of
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  language elements:
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  \begin{enumerate}
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  \item Proof commands
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  \item Proof methods
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  \item Attributes
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  \end{enumerate}
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*}
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section {* Proof commands *}
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text FIXME
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section {* Proof methods *}
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text FIXME
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section {* Attributes *}
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text FIXME
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end
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