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~p →r^~. b. а. t - S и u →~p d. e. u V w

~p →r^~. b. а. t - S и u →~p d. e. u V w

Database System Concepts
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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Pls answer the 2 question if possible, if not pls answer atleast one. Highly appreciated if both will be answered

Determine the validity of the ff. argument: ( Note: means "-") а. b. c. u →~p d. е. u V w f. :. ~t O Maybe O Yes, it is valid O Insufficient information to find the answer Not valid
Transcribed Image Text:Determine the validity of the ff. argument: ( Note: means "-") а. b. c. u →~p d. е. u V w f. :. ~t O Maybe O Yes, it is valid O Insufficient information to find the answer Not valid
Which of the ff. is a negation for "All discrete mathematics students are programmers"? a. There is a discrete mathematics student who is non-programmer. b. All discrete mathematics students are non-programmer. c. There is a programmer who is not a discrete mathematics student. d. No discrete mathematics students are programmers. e. Some discrete mathematics students are non-programmers. f. No programmer are discrete mathematics students. d and e only e and f only none of the choices a and b only a and e only a and c only
Transcribed Image Text:Which of the ff. is a negation for "All discrete mathematics students are programmers"? a. There is a discrete mathematics student who is non-programmer. b. All discrete mathematics students are non-programmer. c. There is a programmer who is not a discrete mathematics student. d. No discrete mathematics students are programmers. e. Some discrete mathematics students are non-programmers. f. No programmer are discrete mathematics students. d and e only e and f only none of the choices a and b only a and e only a and c only
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