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@@ -304,7 +304,7 @@ integer is an expression, $\Exp$, in the language:
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\end{equation}
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\end{equation}
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Each rule has a left-hand-side and a right-hand-side. The way to read
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Each rule has a left-hand-side and a right-hand-side. The way to read
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a rule is that if you have all the program parts on the
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a rule is that if you have all the program parts on the
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-right-hand-side, then you can create and AST node and categorize it
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+right-hand-side, then you can create an AST node and categorize it
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according to the left-hand-side. (We do not define $\Int$ because the
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according to the left-hand-side. (We do not define $\Int$ because the
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reader already knows what an integer is.) We make the simplifying
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reader already knows what an integer is.) We make the simplifying
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design decision that all of the languages in this book only handle
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design decision that all of the languages in this book only handle
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Jeremy G. Siek