The following grammar G generates numbers in binary notation. C --> C 0 | A 1 |0 (C is the start symbol) А --> В 0|С 1| 1 В --> А 0| В 1 Let L(G) = { w| C → w } That is L(G) is all the strings derived by G. Let S be the following set: S= {n| n=3*k_for k = 0,1,2....} Show that L(G) = S. That is the G generates all multiples of 3. Hint: You must show that L(G) is a subset of S and

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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The following grammar G generates numbers in binary
notation.
C --> C 0| A 1 |0 (C is the start symbol)
A --> B 0| C 1 | 1
В --> А 0| В 1
Let L(G) =
{ w| C
W }
That is L(G) is all the strings derived by G.
Let S be the following set:
S= {n| n=3*k for k = 0,1,2....}
Show that L(G) = S. That is the G generates all
multiples of 3.
Hint: You must show that L(G) is a subset of S and
S is a subset of L(G)
Transcribed Image Text:The following grammar G generates numbers in binary notation. C --> C 0| A 1 |0 (C is the start symbol) A --> B 0| C 1 | 1 В --> А 0| В 1 Let L(G) = { w| C W } That is L(G) is all the strings derived by G. Let S be the following set: S= {n| n=3*k for k = 0,1,2....} Show that L(G) = S. That is the G generates all multiples of 3. Hint: You must show that L(G) is a subset of S and S is a subset of L(G)
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