1) Consider the following Grammar over alphabet: E= {a, +, x, (,)} E E+T|T T Tx F\F F (E)la a) Give derivations for the following strings: a, a+a, (a) b) Give parse trees for the following string: a + a x a
1) Consider the following Grammar over alphabet: E= {a, +, x, (,)} E E+T|T T Tx F\F F (E)la a) Give derivations for the following strings: a, a+a, (a) b) Give parse trees for the following string: a + a x a
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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Transcribed Image Text:Context Free Grammars
1) Consider the following Grammar over alphabet: E= {a, +, x, (, )}
E E+T|T
T Tx F|F
F (E)a
a) Give derivations for the following strings: a, a+a, (a)
b) Give parse trees for the following string:
a + a xa
2) Consider the grammar
S- as | aSbS |e
Show that the grammar is ambiguous by finding 2 different parse trees for the string
aab
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