Show that each of these statements can be used to express the fact that there is a
Question:
a) ∃x∀y(P(y) ↔ x = y)
b) ∃xP(x) ∧ ∀x∀y(P(x) ∧ P(y) → x = y)
c) ∃x(P(x) ∧ ∀y(P(y) → x = y))
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a This statement asserts the existence of x with a certain property If we let y x ...View the full answer
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Related Book For 
Discrete Mathematics and Its Applications
ISBN: 978-0073383095
7th edition
Authors: Kenneth H. Rosen
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