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Theory of Computation Give 2 strings which aren't in this language recognized by the PDA

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Theory of Computation

Give 2 strings which aren't in this language recognized by the PDA

91
€, € $
92
a,ɛ a
€,€->> €
€, € €
b, a e
93
95
b,ɛ→ e
€, $→€
€, E-E
94
96
C, E E
c, a e
3-$'3
97

Theory that deals with fundamental questions around what problems can and cannot be solved using computation and uses a model of computation to understand the degree to which computers can assist in solving problems. There are three main branches of this subject: automata theory and formal languages, computational complexity theory, and computability theory.

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