8. (a) Show 5 strings recognized by the following phrase-structure gram- mar: V = {r,0, 1, A};T = {0, 1}; S = r; P = {r → Or1,r → A, A → 1A, A → A,r → A} 7 (b) Construct a phrase-structure grammar that recognizes a 1 followed by an even number of Os.

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
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8. (a) Show 5 strings recognized by the following phrase-structure gram-
mar:
V = {r,0,1, A};T = {0, 1}; S = r; P = {r → Or1,r → A, A → 1A, A → A,r → A}
7
(b) Construct a phrase-structure grammar that recognizes a 1 followed
by an even number of Os.
Transcribed Image Text:8. (a) Show 5 strings recognized by the following phrase-structure gram- mar: V = {r,0,1, A};T = {0, 1}; S = r; P = {r → Or1,r → A, A → 1A, A → A,r → A} 7 (b) Construct a phrase-structure grammar that recognizes a 1 followed by an even number of Os.
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