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Published in:
1985 | OriginalPaper | Chapter
A notation to describe the syntax of Modula
Author : Professor Dr. Niklaus Wirth
Published in: Programming in Modula-2
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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A formal language is an infinite set of sequences of symbols.The members of this set are called sentences, and in the case of a programming language these sentences are programs. The symbols are taken from a finite set called the vocabulary.Since the set of programs is infinite, it cannot be enumerated, but is instead defined by rules for their composition. Sequences of symbols that are composed according to these rules are said to be syntactically correct programs; the set of rules is the syntax of the language.