2. Given premises “Every smart phones uses Android or iOS.” “Smartphones that use Android can use the Play Store.” “My smartphone cannot use the Play Store.” Prove the conclusion “My smartphone uses iOS.” by rules of inference. You should first represent the premises and the conclusion using logical expressions.

2. Given premises “Every smart phones uses Android or iOS.” “Smartphones that use Android can use the Play Store.” “My smartphone cannot use the Play Store.” Prove the conclusion “My smartphone uses iOS.” by rules of inference. You should first represent the premises and the conclusion using logical expressions.

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

2. Given premises “Every smart phones uses Android or iOS.” “Smartphones that use Android
can use the Play Store.” “My smartphone cannot use the Play Store.” Prove the conclusion
“My smartphone uses iOS.” by rules of inference. You should first represent the premises and
the conclusion using logical expressions.

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