Define the rule echoN(LST0, LST1, CNT). This rule determines when LST1 consists of only CNT repetitions of the elements in list LSTO. *don't worry if it infinitely loops on determining the source list (i.e. echoN(A,[a,a,b,b],1).) e.g.: | ?- echoN([a,b], [a,a,b,b], A). A = 1 ? yes |?- echoN([a,b], A, 1). A = [a.a,b,b] ? yes | ?- echoN([a, [b.c],d], A. 2). A = [a,a,a, [b.c],[b.c],[b.c].d.d.d] ? yes

Define the rule echoN(LST0, LST1, CNT). This rule determines when LST1 consists of only CNT repetitions of the elements in list LSTO. *don't worry if it infinitely loops on determining the source list (i.e. echoN(A,[a,a,b,b],1).) e.g.: | ?- echoN([a,b], [a,a,b,b], A). A = 1 ? yes |?- echoN([a,b], A, 1). A = [a.a,b,b] ? yes | ?- echoN([a, [b.c],d], A. 2). A = [a,a,a, [b.c],[b.c],[b.c].d.d.d] ? yes

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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