(a) Rewrite the statements in the form of “∀ _______ X, _______.” i. No irrational numbers are integers. ii. The number −4 is not equal to the square of any real number. (b) Rewrite the statements in the form of “∃ _______ X, _______.”
(a) Rewrite the statements in the form of “∀ _______ X, _______.” i. No irrational numbers are integers. ii. The number −4 is not equal to the square of any real number. (b) Rewrite the statements in the form of “∃ _______ X, _______.”
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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(a) Rewrite the statements in the form of “∀ _______ X, _______.”
i. No irrational numbers are integers.
ii. The number −4 is not equal to the square of any real number.
(b) Rewrite the statements in the form of “∃ _______ X, _______.”
i. Some exercises have answers.
ii. Some real numbers are rational.
(c) Determine the truth value of the statements where D= E = {−9, −3,0,3,9}. Hence,
write the negation of the statements.
i. ∀X in D, ∃Y in E such that X + Y = 0.
ii. ∃X in D such that ∀y in E, X + Y = Y
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