The correct statements are: OS → € is allowed in a context free grammar. S→aSa is allowed in a context free grammar. Sa → T is allowed in a context free grammar. OT→ TT is allowed in a context free grammar.

The correct statements are: OS → € is allowed in a context free grammar. S→aSa is allowed in a context free grammar. Sa → T is allowed in a context free grammar. OT→ TT is allowed in a context free grammar.

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

Section: Chapter Questions

Problem 1PE

See similar textbooks

Related questions

Q: Convert the following context-free grammar into an equivalent context-free grammar in Chomsky Normal…

A: Solution: Given, CFG is- S → ABAA → BAB | B | εB → 00 | ε

Q: er possible to simplify the gramma t recursion from the grammars whe otes around any EBNF metasymbol

A: Summary EBNF (Extended Backus-Naur Form) is a type of formal grammar used to describe the syntax of…

Q: This question is based on the following grammar: exp -> exp + term I term term> term factor | factor…

A: Parsing is a fundamental process in compiler construction and language processing, aiming to analyze…

Q: Consider the following context-free grammar G Sasa | bSb laDb | bDa D → aD | bD | E a) Give the…

A: A context-free grammar is a set of recursive rules used to generate patterns of strings. A…

Q: Consider the following context-free grammar. S→aBa∣B B→bbC∣cc∣ε C→cC∣bBcCb∣ε Notice that the…

A: For converting into Chomsky normal form, we have to remove the ,We can use Cc Bbb Cbcb

Q: Label the following statement as True (T) or False (F): The following context-free grammar is in…

Q: 1. Perform the pairwise disjointness test for the following grammar rules. a. AaB | b | cBB b. BaB |…

A: We have some information in the question which are the grammar rules : We have to define the…

Q: Convert the following context-free grammar into an equivalent context-free grammar in Chomsky Normal…

A: Chomsky Normal Form: The generation is of the form A → BC or A → a, where A, B, C are variables and…

Q: Principles of programming languages: The following grammar rules for pass the pairwise…

A: X → x | Y X → y | X X → z | x |Y

Q: Context Free Grammar State whether it is ambiguous or unambiguous. If it is ambiguous give an…

A: The below grammar expresses the concept of string concatenation, wherein the symbols "a" and "b" can…

Q: 1. Р (х, В, в) and P(A, y, z) 2. Q (Z, b) and Q(b, Y) 3. P (a, b, c) and Q(X, Y, z) 4. Р (X, а, X)…

A: Unification: It is a form of matching technique. In this one or more variables being given value to…

Q: Show that the following context-free grammar is ambiguous S aSSb | ab | ba by exhibiting a string in…

A: We are given a context free grammar and we are going to prove that the given grammar is ambiguous.…

Q: Exercise 4 For each of the grammars in Exercise 3 except the last, give an unam- biguous grammar for…

A: Introduction of Formal Language: A formal language is a set of strings of symbols or characters…

Q: Topic: Parsing Problem 2. Consider the following context-free grammar What is the language L…

A: Below is the complete solution with explanation in detail for the given question about the First,…

Q: Question 16 The given context-free grammar is ambiguous or unambiguous? Write a sentence to support…

A: Yes the given context free grammar is ambiguous as there exist more than one parse tree for the…

Q: 1a. Fill out the following blanks to make it a context-free grammar for the given language over the…

A: The image contains a question from formal language theory in computer science, specifically the task…

Q: ou are required to give a grammar and an accepted for such a set of identifiers of a programming…

A: Answer:

Q: 2.4) L4 = {All odd length strings over Σ = {(a, b), where the string have the same symbol in the…

A: Given data L4 = {all odd length strings over {a,b}} When the first and middle positions of the…

Q: grammar that generates the language L = {anbmambn |n, m ∈N}. List all variables (non-terminals) and…

A: Consider the given grammar : L = {anbmambn |n, m ∈N}.

Q: The correct statements are: OS→ Ta is allowed in a regular grammar. S→ aSa is allowed in a regular…

A: Given options,S→Ta is allowed in a regular grammar.S→ aSa is allowed in a regular grammar.Sa→ T is…

Q: 1. Consider the following grammar and try to find out Operator Precedence and Associativity. Is the…

A: The precedence and associativity requirements are used to convert the provided grammar into its…

Q: Write an unambiguous BNF grammar, define attributes for the grammar symbols and attach attribute…

A: Here is the unambiguous BNF grammar for assignment statements with arithmetic expressions:

Q: V={A,B,C} S={a,b} vO=S S->A A a|b| A B A->B S ala B->B al\e

Question

The correct statements are:
S→ € is allowed in a context free grammar.
SaSa is allowed in a context free grammar.
Sa → T is allowed in a context free grammar.
OT→ TT is allowed in a context free grammar.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Defining Overview

VIEW

Step 2: Defining Statements

VIEW

Solution

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions

refer to the grammar S -> aSa | aXa X ->aXa | bYb Y -> bYb | empty where S is the start symbol, non-terminals = {S, X, Y}, terminals = {a, b} This Question: Use the pumping lemma to show that the language generated by this grammar is not regular.
In this problem you are provided with a CFG/BNF and you are to determine which of the following strings are inside of the described grammar G defined by G={V,E,R,S} where V={ } E = { a, b } R=[ --> aa | bb|a] S= aa aaa a bab bb aabbabbaa bbbbbabbbb bbbbbabbbbb
The set of all syntactically valid strings representing regular expressions is A. a regular language, because a regular expression can describe this language B. a context-free language and it can be generated by a context-free grammar but not by any regular grammar O C. a context-sensitive language but not by any context-free grammar
I need help with my context free language. It needs to do the following 1. Developing a language model based on the context-free grammar: Use the context-free grammar to develop a language model that can be used to generate coherent and grammatically correct sentences in American English.2. Incorporating semantic information into the context-free grammar: Expand the context- free grammar to incorporate semantic information, such as word meaning and context, to generate more meaningful sentences in American English. here is my Java code import java.util.*;import java.util.stream.Collectors; public class CFG { private static Map<String, List<String>> rules; public static void main(String[] args) { rules = new HashMap<>(); initializeGrammarRules(); String sentence = generateSentence("S"); System.out.println(sentence); } private static void initializeGrammarRules() { rules.put("S", Arrays.asList("NP VP"));…
The set of strings with an equal number of a's, b's, c's and d's, in any random order, can be described by which kind of grammar? OA. A regular grammar B. A context-free grammar but not by any regular grammar C. A context-sensitive grammar but not by any context-free grammar OD. None of the above, since no grammar can generate this language