1 Non-regular languages 2 Regular languages ba* acb * ...etc *)( bacb  Non-regular languages }0:{ nba nn }*},{:{ bavvvR  3 How can we prove that a language…

Slide 1 Costas Busch - RPI1 Standard Representations of Regular Languages Regular Languages DFAs NFAs Regular Expressions Regular Grammars Slide 2 Costas Busch - RPI2 When…

Slide 1 Courtesy Costas Busch - RPI1 Non-regular languages Slide 2 Courtesy Costas Busch - RPI2 Regular languages Non-regular languages Slide 3 Courtesy Costas Busch - RPI3…

Slide 1 Fall 2004COMP 3351 Standard Representations of Regular Languages Regular Languages DFAs NFAs Regular Expressions Regular Grammars Slide 2 Fall 2004COMP 3352 When…

Formal Languages Non-Regular Languages Regular languages Non-regular languages How can we prove that a language is not regular? Problem: this is not easy to prove Solution:…

Non-regular languages Regular languages Non-regular languages How can we prove that a language is not regular? Problem: this is not easy to prove Solution: the Pumping Lemma…