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Pumping Lemma

Pumping Lemma, input please

handle	9 Oct, 2009 - 03:17 AM Post #1
New D.I.C Head Joined: 1 Feb, 2009 Posts: 14	Just wondering if this makes sense, I kinda think I made some mistakes. for a Language L = {wtw\| w, t ε {0,1}*} prove that this is not regular. my line of thought: let w = 0^p 1, and let t = ε(empty set), then a string s = wtw = (0^p 1)(0^p 1) ε L since \|s\| > p, s can be written as s = xyz. Because \|xy\| <= p, xy must equal 0^p, and therefore z is equal to 1 0^p 1. xyyz however, does not exist in L, and therefore L is not regular.
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