Find RG, for following language on {a, b}: All words that end in either a or bbb

Q: Find context-free grammars for the following languages: (a) L = anbn, n is a multiple of three.

A: Actually, given information is:  L = anbn, n is a multiple of three.

Q: 1. T/F-Disjoint union assuming that variants are chosen from type S or type T = (#S)^ (#T) 2.…

A: As per the bartleby policy we can answer single question at a time, so as there are multiple…

Q: 1. Is L = {(ab)" ba(ba)™:n, m > 0} a regular language? Why? Find the grammar for it.

A: As per bartleby guideline we solve 1st question

Q: The regular expression of the language of the grammar given below is S → aS | bS | a | b O…

A: As per the given grammer some acceptable strings are :                                           1.…

Q: a DFA that is defined by a lang

A: here from question, The DFA for this language would have to accept all possible integer values as…

Q: Begin with the grammar G ({a,b},{S,A,B,D,E}, 8, S). 8 = { S⇒ AaB | AB ; A aA | Db |a|ɛ; Put the CFGs…

A:

Q: Find dfa's for the following languages on E = {a,b}. (a) L= {w: \w| mod 3 = 0}. (b) L= {w: ]w| mod 5…

A: DFA is referred to as Deterministic Finite Automata. Finite automata are called DFA if the machine…

Q: (g) Consider the following grammar → a a[ | b → c [a → b|6

A: 6) Option a and d is correct. 7) Option a and e is correct.

Q: Write Grammars for the following languages: 1) L= { a" c" (bb)m : n 2 2, m >1}

A: *Multiple questions* As per our guidelines we are supposed to answer only one question. Kindly…

Q: Write derivations for four strings of various lengths and describe what is the language generated,…

A: Given Grammer S-> aSaa|B B->bB The language generated by the above grammar is Step1:…

Q: Build FA’s for the following language.   (a + b)*(a + bb)

A: Finite Automata(FA): It refers to the abstract machine that can be defined with five components or…

Q: Convert the following grammar in non left recursive form – E->E+E|E*E|-E|(E) |id

A: Left Recursion: A Left Recursion occurs in the production of grammar in the form:A -> Ac|d, in…

Q: Write a CFG that decides the language {x ∈ {a, b}* | x contains the substring abba }

A: CFG is stand by context free grammer. A context free grammar consists of a set of productions that…

Q: Find a regular grammar for each of the following regular expressions. a. a + b. b. a + bc. c. a +…

A: We need to find the regular grammar for the regular expression. This is the union of a and b.…

Q: Fill in the blanks below for the computation of 7 div 2 using the computational grammar in Example…

A: Computational Grammar Grammar in Theory of Computation is collection of finite number of rules that…

Q: Construct a DFA for the following languages over Σ = {a,b}. a. L5 = strings ending with bbb b. L6 =…

A:

Q: Find a grammar that generates language L = {b"a" : m,n2 0}. Find a grammar that generates language L…

A: So, the grammar that generates language L = {bman : m,n >= 0} Here the value of m and n should be…

Q: 1. Write regular expression for the following languages, alphabet {0,1} a. The set of strings that…

A: The following are the regular expressions:- a. The set of strings that do not end with 11.  Answer:…

Q: The equivalent simplified grammar for the following grammar is S aA| aBB A aaA | & B bB | bbC C B

A: Introduction

Q: (3) Write the grammars for the following languages. L = {a"b"c' |n2 1,i > 0} L, = {a'b"c" |n > 1, i…

A: 3.

Q: Q8. Find the language generated by the grammar G = ({S, A}, {a, b}, S, P). P: S→ aAb, A → aA | bA |…

A: Given:

Q: Obtain GNF equivalent to the grammar E⇒E+T|T T→ T*F|F F→ (E)| a

A: given Data

Q: Please use --> to represent the arrow in production rules. Write each production rule in a new line.…

A: In below  figure shows the production rule:

Q: Simplify the following grammar.   S→ aAa A → bBB | D B → ab | E C → aB

A: The Answer is in Below Steps

Q: Build FA’s for the following languages. (b + ab)*aa(b + ba)*

A: Simple expressions known as Regular Expressions can easily define the language that finite automata…

Q: b. Begin with the grammar G ({a, b}, {S, A, B, D, E}, 8, S) 8 = {S→ ABb | AB A→ aA | Db | a| ɛ B→…

A: The CFGs into Chomsky Normal Form(CNF)

Q: (3) Write the grammars for the following languages. L₁ = {a"b'c' n ≥ 1,i ≥ 0} L, = {a'b"c" n ≥…

A:

Q: True or False, please have some explanation 3. Grammar with the right recursion can not be converted…

A: True  - we can change right recursion to left recursion  Grammar in Automata-

Q: Show that L = {ww*w:w E {a, b}*} is not a context-free language.

A: proof by pumping lemma: 1)assume given language is context-free and there exists a PDA for this.…

Q: For each of the following languages L, give a regular expression that represents L and draw or…

A: a) below is the DSA

Q: The regular expression of the language of the grammar given below is S → aS | bS | a | b O…

A: The grammar consists of the start symbol S from where the grammar starts. There are four different…

Q: Find context-free grammars for the following languages: (2 × 4) (a) L = a n b n , n is even

A: A context-free grammar for L is G = ({S}, {a, b}, S, S → aaAbb|aaaaSbbbb)

Q: Write the first and follow of below grammar IS B EF F fE

A: We have to write first and follow of the given grammar.

Q: (b) Rewrite the grammar below to make it unambiguous. -> | ɛ -> 01 | 1 | 0 1

A: The grammar is said to be an ambiguous grammar when it is both left recursive and right recursive.…

Q: Describe, in English, the language defined by the following grammar: → → a | a →b | b → E

A: The given grammar will accept string like:-- ab aabb abb abbbb aaaaaab aaab abbbb aaab aaaabbbbb…

Q: (b) L2 = {a"b™ci de:n+ m = k + l} %3| %3D (c) L3 = {w : n,(w) > n,(w) +1}

A: For the given Language L1 Production rules are S1→aS1d|S2S2→S3S4S3→aS3b|εS4→S5S6…

Q: Write a CFG for the Language L over the alphabet ∑ ={ (, )} where the words are balanced…

A: Let Σ = {(, )} and let L = {w ∈ Σ* | w is a string of balanced parentheses } Let's think about this…

Q: L2 = { a'b'c* | i, j, k 2 0; i = j or j = 2k }

A: Context Free Grammars (CFGs) for  the language

Q: Show that the following language is not context-free L = {0²¹ |i ≥ 1}

A: Given Language : L = {02^i | i>=1}

Q: (3) Write the grammars for the following languages. L₁ = {a"b"c¹ | n ≥ 1,i≥ 0} L, = {a'b"c" n≥…

A: According to the information given:- We have to write the grammar for the following languages.

Q: What language is generated by the following grammar? S→SS+ S→SS* Sa

A: Answer is given below.

Q: Construct a PDA for the following grammar. E → E +T | T T →T × F | F F → (E) | a

A: V = { E, T, F} // Set of Non-Terminal symbols Produces the PDA 6-moves:   #(8== delta)    1. 8(q,…

Q: . The grammar is known as follows: P → H | PbdH H → a | (P) Asked: b. Please Make an SLR table…

A: Augmented Grammar: P' → P P → H | PbdH H → a | (P)   First(P) = {a, ( } First(H) = {a, ( } Follow(P)…

Q: Write a complete CFG that recognizes the language: L = {aibj | i ≤ j}

A: For given Language L, we have to write Context Free Grammar(CFG). Given Language L is a context free…

Q: ({S, A}, {a, b}, S, P). Q8. Find the language generated by the grammar G P: S- aAb, A → aA | bA | A

A:

Q: Write the grammars for the following languages.

A:

Q: The equivalent simplified grammar for the following grammar is S aA | aBB A aaA | & B bB | bbC C B

A: In this question, we are asked about to simplify the given grammar. For simplification, we have to…

Q: Consider the following grammar with terminals [, ], a, b, c, +, and -: S→ [SX] | a X +SY | Yb | &…

A: (a)Parsing Table     a b c + - [ ] $ S S -> a S -> [SX]     X X -> Yb X -> ε X -> +SY…

Q: 5. Please Perform Left Recursion Elimination for the following grammar: E à E + T | E – T | T T à TF…

A: Given grammar is, E→E+T|E-T|TT→TF|FF→F*|CC→a|b A grammar is said to be left recursion if it is in…