Answered step by step
Verified Expert Solution
Question
1 Approved Answer
A variable A in a CFG G is called usable if it appears in some derivation of some string w sum L(G). Formulate the problem
A variable A in a CFG G is called usable if it appears in some derivation of some string w sum L(G). Formulate the problem of deciding whether a variable A is usable in a CFG G as a language problem, and show that it is decidable
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Database Systems For Advanced Applications 16th International Conference Dasfaa 2011 International Workshops Gdb Sim3 Flashdb Snsmw Damen Dqis Hong Kong China April 2011 Proceedings Lncs 6637
Authors: Jianliang Xu ,Ge Yu ,Shuigeng Zhou ,Rainer Unland
2011th Edition
3642202438, 978-3642202438
