Question: Show that the following languages over = { 0 , 1 , # } are not context - free: a ) { w : w

Show that the following languages over ={0,1, #} are not context-
free:
a){w : w is a palindrome containing the same number of 0s as 1s}
b){w : w contains the same # of 1s and 2s, and the same # of 3s
and 4s}

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:

Just a,b,c,d please 7. Show that the following languages on ={a,b,c} are not context free: (a) L={anbj:nj2}. (b) L={anbj:n(j1)3}. (c) L={anbjck:k=jn}. (d) L={anbjck:k>n,k>j}. (h) L={anbm:n and m are...

Q:

Show that the following languages on = {a,b,c} are not context free d. L = {a^n b^j c^k : k > n, k > j } g. L = { w is an element of {a,b,c}* : na (w) + nb (w) = 2nc (w), na (w) = nb (w) }

Q:

Show that the following languages are context-free by exhibiting context free grammars generating each. (a) {a"b": m-n) (c) wE a, b}*: w has twice as many b's as a's) (d) {uaub : u, w E {a, b)", lul...

Q:

Can someone do this for me, i don't quite get the topic yet thx Show that the following languages on = {a,b,c} are not context free d. L = {a^n b^j c^k : k > n, k > j } (g) L tw E fa,b, c). (tw) nb...

Q:

3.1.9. Show that the following languages are context-free by exhibiting context free grammars generating each. : m > n a)

Q:

1. Construct a Pushdown automata (PDA) accepting the language L = {0'1' | i > 0} U {o1/ [ j z 0}. 2. For E = {0,1}, design DPDAS to accept the following languages: (a) 0* (b) {01'0/1' | i, j z 0} (c)...

Q:

1 Select College Department of Computer Science and Technology Formal Language Theory (CSC 471) Worksheet on Regular Languages 1. In figure below, find d*(q0 ,1011) and d*(q1 ,01). 2. For S= {a,b},...

Q:

Write the context free grammar for each of the following languages, assume = {0, 1} 1. A={w | W contains at least l's } 2. B = {w | the length of w is odd and the middle symbol is 0} 3. C = {w w= WR...

Q:

1) Give formal descriptions (without Peanos notation) for each of the following sets: a) The set containing 0, 11, and 100. b) The set containing all integers greater than 4. c) The set containing...

Q:

1. Prove countable by finding the 1-1 and onto correspondence with the natural number N a. Strings over {a,b). that begin with a b. Strings over {a,b} with even number of a's C. How many languages...

Q:

Critical Thinking Questions 1. Fishing activities appear to be the greatest threat to the vaquita, and a threat that can be removed. Think of a plan that would remove the threat of vaquitas becoming...

Q:

The following tertiary alkyl bromide does not undergo a nucleophilic substitution reaction by either SN1 or SN2 mechanisms.Explain. Br

Q:

What is the amount of tax exempt interest for Magdalena? Multiple Choice $ 3 , 8 0 0 $ 3 , 2 0 0 $ 3 , 5 1 0 $ 2 , 5 0 0

Q:

Indigenous employees: enjoy an appreciable amount of empathy and understanding from all managers who authentically respect their spiritual practices. are exempt from accommodation due to sincerely hel