expr → ATOM | list list → ( exprs ) exprs → expr exprs | Here ATOM represents all terminals except for the parentheses ( and ). Using this grammar,show a parse tree for the expression (lambda (a) (* a a)). Does the language described by this grammar contain a finite number of strings? If so, why? If not, why not?
expr → ATOM | list list → ( exprs ) exprs → expr exprs | Here ATOM represents all terminals except for the parentheses ( and ). Using this grammar,show a parse tree for the expression (lambda (a) (* a a)). Does the language described by this grammar contain a finite number of strings? If so, why? If not, why not?
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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- expr → ATOM | list
list → ( exprs )
exprs → expr exprs |
Here ATOM represents all terminals except for the parentheses ( and ). Using this grammar,show a parse tree for the expression (lambda (a) (* a a)). Does the language described by this grammar contain a finite number of strings? If so, why? If not, why not?
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