CPSC 433: Quiz 8
March 21, 2006

Printed Name:________________________________________

"On my honor, as an Aggie, I have neither given nor received unauthorized aid on this academic work. In particular, I certify that I have not received or given any assistance that is contrary to the letter or the spirit of the collaboration guidelines for this assignment."

Signature:___________________________________________

  1. (5 pts) Use the pumping lemma for context-free languages to prove that the following language L is not context-free:
    L consists of all binary strings whose length is a power of 3.