Slide 1Fall 2003Costas Busch - RPI1 Properties of Context-Free languages Slide 2 Fall 2003Costas Busch - RPI2 Context-free languages are closed under: Union is context free…

Slide 1 Costas Busch - RPI1 NPDAs Accept Context-Free Languages Slide 2 Costas Busch - RPI2 Context-Free Languages (Grammars) Languages Accepted by NPDAs Theorem: Slide 3…

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 Costas Busch - RPI1 More Applications of the Pumping Lemma Slide 2 Costas Busch - RPI2 The Pumping Lemma: Given a infinite regular language there exists an integer…

Slide 1 Fall 2003Costas Busch - RPI1 Linear Grammars Grammars with at most one variable at the right side of a production Examples: Slide 2 Fall 2003Costas Busch - RPI2 A…

Sift on Fall 2006 Costas Busch - RPI 1 Deterministic Finite Automaton (DFA) Input Tape âAcceptâ or âRejectâ String Finite Automaton Output Fall 2006 Costas Busch - RPI…