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Home/Magazine Archive/September 1962 (Vol. 5, No. 9)/On the nonexistence of a phrase structure grammar.../Abstract

On the nonexistence of a phrase structure grammar for ALGOL 60

By Robert W. Floyd
Communications of the ACM, September 1962, Vol. 5 No. 9, Pages 483-484
10.1145/368834.368898
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ALGOL 60 is defined partly by formal mechanisms of phrase structure grammar, partly by informally stated restrictions. It is shown that no formal mechanisms of the type used are sufficient to define ALGOL 60.

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