(c) Formally negate the statement from part (b). Simplify your negation so that no quantifier or connective lies within the scope of a negation. State which derivation rules you are using. (d) Give a translation of your negated statement in everyday English.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.5: Rational Functions
Problem 4E
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Essentials of DISCRETE MATHEMATICS

 

Answer ONLY C and D

2 Let the following predicates be given. The domain is all cars
F(x) = "x is fast."
66
S(x) = "x is a sports car."
66
E(x) = "x is expensive."
66
%3D
A(x, y) = "x is safer than y.
66
%3D
Transcribed Image Text:2 Let the following predicates be given. The domain is all cars F(x) = "x is fast." 66 S(x) = "x is a sports car." 66 E(x) = "x is expensive." 66 %3D A(x, y) = "x is safer than y. 66 %3D
(a) Write the following statements in predicate logic.
1. All sports cars are fast.
ii. There are fast cars that aren't sports cars.
iii. Every fast sports car is expensive.
(b) Write the following predicate logic statement in everyday English.
Don't just give a word-for-word translation; your sentence should
make sense.
)S(x) → (3y)(E(y) ^ A(y, x))]
->
(c) Formally negate the statement from part (b). Simplify your negation
so that no quantifier or connective lies within the scope of a negation.
State which derivation rules you are using.
(d) Give a translation of your negated statement in everyday English.
Transcribed Image Text:(a) Write the following statements in predicate logic. 1. All sports cars are fast. ii. There are fast cars that aren't sports cars. iii. Every fast sports car is expensive. (b) Write the following predicate logic statement in everyday English. Don't just give a word-for-word translation; your sentence should make sense. )S(x) → (3y)(E(y) ^ A(y, x))] -> (c) Formally negate the statement from part (b). Simplify your negation so that no quantifier or connective lies within the scope of a negation. State which derivation rules you are using. (d) Give a translation of your negated statement in everyday English.
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