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Unformatted text preview: A B (NOT A ) OR (NOT B ) True True True False False True False False 4. (1 point) Write a purely symbolic sentence involving two variables and both quantiﬁers. 5. (2 points) Are the following sentences true or false? (a) ∀ x ∈ R ,x 2 > x. (b) ∃ y ∈ R , ∀ x ∈ R , ( x 2 + y ) > x. 6. (1 point) Express the following English sentence symbolically: Whenever two real numbers are distinct, one can ﬁnd a real number between them. Page 2...
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This homework help was uploaded on 04/17/2008 for the course MATH 100 taught by Professor Weissman during the Fall '08 term at UCSC.
 Fall '08
 Weissman
 Math

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