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a. AxB=Ø if and only if A=Ø and B=Ø. b. AUB= AOB iff A= B. c. "Ifx= 2 and y = 4" is an example of a proposition. d. Vx 3y x+ y = 0 where x and y are integers. e. Ir Vy x + y = 0 where x and y are integers.

a. AxB=Ø if and only if A=Ø and B=Ø. b. AUB= AOB iff A= B. c. "Ifx= 2 and y = 4" is an example of a proposition. d. Vx 3y x+ y = 0 where x and y are integers. e. Ir Vy x + y = 0 where x and y are integers.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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TRUE-FALSE SECTION

a. AxB=Ø if and only if A=Ø and B=Ø. b. AUB = AOB iff A= B. c. "Ifx= 2 and y = 4" is an example of a proposition. d. Vx 3y x+ y = 0 where x and y are integers. e. Ex Vy x + y = 0 where x and y are integers.
Transcribed Image Text:a. AxB=Ø if and only if A=Ø and B=Ø. b. AUB = AOB iff A= B. c. "Ifx= 2 and y = 4" is an example of a proposition. d. Vx 3y x+ y = 0 where x and y are integers. e. Ex Vy x + y = 0 where x and y are integers.
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