The implementation of a BASIC system in a multiprogramming environment

Authors:
Helen V. Braden;William A. Wulf
Affiliations:
Univ. of Virginia, Charlottesville;Univ. of Virginia, Charlottesville
Venue:
Communications of the ACM
Year:
1968

Citing 2
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Abstract

A mechanical procedure is derived for determining whether a given context-free phrase structure grammar is a simple precedence grammar. This procedure consists of elementary operations on suitably defined Boolean matrices. Application of the procedure to operator grammars is also given.