Proficiency Redos Proficiency #1. [Statements] Which of the following sentences are statements? Do not worry about whether they are true or false. (Choose all that are correct.) III. For all sets A and B in a universal set U, AN B C Bº°. I. AUBUCUD ={1,2,3, 4}. II. If x is an even integer, then 2" – 1 is an odd integer.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Proficiency Redos
Proficiency #1. [Statements] Which of the following sentences are statements? Do not
worry about whether they are true or false. (Choose all that are correct.)
III. For all sets A and B in a universal set U, AN BC Bº.
I. AUBUCUD ={1,2,3, 4}.
II. If x is an even integer, then 2" – 1 is an odd integer.
II. (Vr e N)(3z E Q)(xz = y)
III. 1-1+1–1+.= 0.
VI. 7+ 25 mod 16.
VII. The intersection of all sets An, where n e N and A,, = [-n, n].
Transcribed Image Text:Proficiency Redos Proficiency #1. [Statements] Which of the following sentences are statements? Do not worry about whether they are true or false. (Choose all that are correct.) III. For all sets A and B in a universal set U, AN BC Bº. I. AUBUCUD ={1,2,3, 4}. II. If x is an even integer, then 2" – 1 is an odd integer. II. (Vr e N)(3z E Q)(xz = y) III. 1-1+1–1+.= 0. VI. 7+ 25 mod 16. VII. The intersection of all sets An, where n e N and A,, = [-n, n].
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