A basic Demonstration

• First Example
• Example: a(bc)*d
• Finding the Repeat
• Finding the Repeat with no x portion
• Finding the Repeat with no z portion
• Your turn to find a repeat
• Not always easy to find the repeat
• The Pumping Lemma
• Start of example of use of the Pumping Lemma
• Try number Two
• Try number Three
• Your turn?
• Can it be done?
• Any Requests or Comments?