Answered: 1. Let Σ be an alphabet. Prove or…

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1. Let Σ be an alphabet. Prove or disprove that for every language L over alphabet Σ, if L2 = L, then L+ = L.

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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1. Let Σ be an alphabet. Prove or disprove that for every language L over alphabet Σ, if L2 = L, then L+ = L.

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