The pumping lemma links appear to be dead now. Maybe should be replaced with wikipedia?
https://en.wikipedia.org/wiki/Pumping_lemma_for_regular_languages
The first link was on the WebArchive. I've replaced the link. I couldn't find the original that was at the second link (http://mtc.epfl.ch/courses/TCS-2009/notes/5.pdf). I've removed it. Thanks for the Wikipedia link. I've added it.
The pumping lemma links appear to be dead now. Maybe should be replaced with wikipedia?
https://en.wikipedia.org/wiki/Pumping_lemma_for_regular_languages
The first link was on the WebArchive. I've replaced the link. I couldn't find the original that was at the second link (http://mtc.epfl.ch/courses/TCS-2009/notes/5.pdf). I've removed it. Thanks for the Wikipedia link. I've added it.