Lecture 3.pptx - Automata Theory Lecture 3 Basics Languages...

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Automata Theory Lecture 3
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Basics – Languages A natural languages involves Alphabet set Vocabulary Grammatical rules Sentences Paragraphs etc. A programming language involves Keywords/operators Syntactic rules Statements Program A natural language is a set of all legal sentences constructed by obeying grammatical rules. A programming language is a set of all legal statements constructed by obeying syntactic rules.
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The concept of languages in automata N – A binary number Model of Computation Is odd number? Yes No L = {1, 01, 11, 001, 011, 101, 111, ……} YES L’ = {0, 00, 10, 000, 010, 100, 110, ……} NO A language is a set of words (strings) constructed by obeying some rule(s)
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The concept of languages in automata N – A binary number Model of Computation Is odd number? Yes No L = {1, 01, 11, 001, 011, 101, 111, ……} YES L’ = {0, 00, 10, 000, 010, 100, 110, ……} NO Because a language is a set of strings, so set operations can be used to construct/define languages.
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The concept of languages in automata
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