1.Write down the subformula tree for the formulaVa13r2 (VI3R2,2(r2, T3) V (21 = 13 = Ir2 R1,1(x2))How many distinct subformulas are there in this formula?

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1. Write down the subformula tree for the formula Vz ar2(VI3R2,2(x2, T3) V (11 = 13 = 312R1,1(72))) How many distinct subformulas are there in this formula?

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.
Write down the subformula tree for the formula
Va13r2 (VI3R2,2(r2, T3) V (21 = 13 = Ir2 R1,1(x2))
How many distinct subformulas are there in this formula?

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