For each of the following languages L, state whether L is regular, context-free but not regular, or not context-free and prove your answer. {ww where w∈Σ^*} {a^n b^m where n≠m} {〖(ab)〗^n a^n b^n,n≥0}
For each of the following languages L, state whether L is regular, context-free but not regular, or not context-free and prove your answer. {ww where w∈Σ^*} {a^n b^m where n≠m} {〖(ab)〗^n a^n b^n,n≥0}
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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For each of the following languages L, state whether L is regular, context-free but not regular, or not context-free and prove your answer.
- {ww where w∈Σ^*}
- {a^n b^m where n≠m}
- {〖(ab)〗^n a^n b^n,n≥0}
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