Consider the following propositions : p: "I finish my Work" q: "I play handball" r: "The sun is shining" s: "The humidity is low" The symbolic of the following sentence "I finish my work and I play handball unless the humidity is not low and the sun is not shining" is : O None of all the proposed answers Osvr+pnq OSAr+pvq ->
Consider the following propositions : p: "I finish my Work" q: "I play handball" r: "The sun is shining" s: "The humidity is low" The symbolic of the following sentence "I finish my work and I play handball unless the humidity is not low and the sun is not shining" is : O None of all the proposed answers Osvr+pnq OSAr+pvq ->
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 3
Consider the following propositions :
p: "I finish my Work"
q: "I play handball"
r: "The sun is shining"
s: "The humidity is low"
The symbolic of the following sentence "I finish my work and I play handball unless the humidity is not low and the sun is not shining" is :
not s logical and not r rightwards arrow not p logical or not q
None of all the proposed answers
s logical or r rightwards arrow p logical and q
s logical and r rightwards arrow p logical or q
not p logical or not q rightwards arrow not s logical and not r
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