Let BLOOP be the language of strings of even length over the alphabet {a,b} in which the two middle letters are different to every other letter in the string. Give a Context-Free Grammar for the language BLOOP.

Q: )Strings that begin and end with the same symbol 2)The shortest length string is 1 3) All even…

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Q: Write the regular expression to match/skip given strings.

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A: Answer :  1. context free grammar for language with at least two 0's   S →X0X0X X→0X|1X|E or…

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Q: 1. Give a context free grammar for the following language over the alphabet Σ = {0, 1} and…

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Q: Find out a context free grammar for the language of strings over the alphabet { 0,1} such that the…

A: S → TS|1T|1S T → TT|0T1|1T0|E(Empty string)

Q: reate a grammar for the set of binary strings that represent odd natural numbers.

A: We need to create a grammar for the set of binary strings that represent odd natural numbers. The…

Q: {w: na(w) mod 2 = 0 and na(w) > 0} over the Write a regular expression for the language L alphabet E…

A: over alphabet  =  {a, b}

Q: For EVEN-numbered students Write a Lex generated lexical analyzer that returns an INT or a FLOAT…

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A: Given: -   Solution as per the given information

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: Give a CFG for valid regular expressions over the alphabet Σ = {a,b}. The alphabet of your grammar…

A: A context-free grammar is a 4-tuple (V, T, P, S) where  V - Set of non-terminals T - Set of…

Q: Q3. Suppose we have a language of pairs. Each pair consists of a context free grammar and a string w…

A: A context-free grammar (CFG) is a formal grammar  used to generate all  possible string patterns  in…

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Q: ge L of all strings of symbols from the alphabet ∑ = {a,b,c} where each  a is followed by b, and c…

A: Hello to all the budding computational theorists and linguists out there! Today, we are venturing…

Q: d. Write a Lisp program that verifies if a list of symbols is correct from the point of view of this…

A: (defun check-A (lst)  "Verifies if a list of symbols is correct from the point of view of grammar…

Q: L = {a'v°&[i = j or i=k for i>0}.

A: A context-free grammar (CFG) consisting of a finite set of grammar rules is a quadruple (N, T, P, S)…