Question: Given a grammar, if a string has two distinct leftmost derivations, it has two distinct parse trees. True False

Given a grammar, if a string has two distinct leftmost derivations, it has two distinct
parse trees.
True
False
Given a grammar, if a string has two distinct

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

Q:

2 . 9 9 9 Consider the grammar G = ( { S , A } , { a , b } , R , S ) with the following set of production rules R S a S | b a A | a b a A A aAbb | a A b | Determine what is the language generated by...

Q:

Problem 2 . Consider the grammar S B A A b a | A A | a B SAb | b | Show that this grammar is ambiguous by constructing two different leftmost derivations for the sentence baaaba Show that this...

Q:

1. (12 points) Consider the following context-free grammar G and answer the following questions. S A1B A 0A | B B1 | (a) What are the variables, terminals, and the start variable of G? (b) For each...

Q:

Show that the following grammar is ambiguous. Hint: Show two different leftmost or rightmost derivations for the same string. Equivalently, you can show two different parse trees for the same string....

Q:

20 points) Let G be the context-free grammar given below. (a) S a (c) S-is (d) S iSeS Prove that G is ambiguous by writing two different leftmost derivations for the string iwiaea. [If you simply...

Q:

The following BNF grammar is ambiguous. Give two different left - most derivations for some string OR two different parse trees

Q:

How do I do this? You are given the following context - free grammar: S A B A Aa | Bbla B Bb | Aalb Part 1 ( 1 point ) : Determine if the string "ababab" can be derived using the given grammar. If...

Q:

This question concerns lexical grammars. (a) Tree Adjoining Grammars contain two types of elementary tree. (i) What are these trees called? [1 mark] (ii) If one were building a grammar for English...

Q:

help me in 3 last question: question j k L Problem 4 (110 points). Consider the following CFG with the eight terminals: true, false, A, V, !, ==, (, and ). expr true false expr A exprecpr V expr !...

Q:

A grammar is ambiguous if and only if it generates a sentential form that has two or more distinct parse trees. Given the following ambiguous grammar: (a) Give two leftmost derivations that would...

Q:

1. Illustrates business and consumer loans. 2. Computes interest, maturity value and present value in simple and compound interest environment. 3. Solves problems involving business and consumer...

Q:

You may need Table to answer the following questions. a. Which is the stronger acid, HCl or H2O? b. Which is the stronger acid, H2O or HNO2? c. Which is the stronger acid, HCN or HOC6H5? Table...

Q:

1 4 . XYZ Company had a net profit of \ ( \ $ 5 5 , 0 0 0 \ ) last year. Which of the following accounts will reflect that profit in the new year? Select the single best answer: A . Income B . Cash C...

Q:

What happened to the shares in the Mississippi Company?How did people react?At Mississippi Company,Law left behind both France and theonce profitable Mississippi Company.