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(d) A is a subset of P(Z). (e) The numbers a, b and c are not the lengths of the sides of any triangle, where the universe is R>0 × R>0 × R>0.

(d) A is a subset of P(Z). (e) The numbers a, b and c are not the lengths of the sides of any triangle, where the universe is R>0 × R>0 × R>0.

Advanced Engineering Mathematics
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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1d and 1e

Find three distinct elements for the truth sets of the following statements: (a) x² - y² = 1, where the universe is R × R. = (b) A is a subset of Z which is closed under subtraction. (c) A is an element of P(Z). (d) A is a subset of P(Z). (e) The numbers a, b and c are not the lengths of the sides of any triangle, where the universe is Ro x R>0 × R>0.
Transcribed Image Text:Find three distinct elements for the truth sets of the following statements: (a) x² - y² = 1, where the universe is R × R. = (b) A is a subset of Z which is closed under subtraction. (c) A is an element of P(Z). (d) A is a subset of P(Z). (e) The numbers a, b and c are not the lengths of the sides of any triangle, where the universe is Ro x R>0 × R>0.
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