Let Q be a non-empty set. Let Fo be the collection of all subsets such that either A or Ac is finite. (a) Show that Fo is a field. Define for E e Fo the set function P by P(E) = { 0, if E is finite, 1, if Ec is finite. (b) I f Q is countably infinite, show P i s finitely additive but not a-additive. (c) If Q is uncountable, show Pis a-additive on F
Let Q be a non-empty set. Let Fo be the collection of all subsets such that either A or Ac is finite. (a) Show that Fo is a field. Define for E e Fo the set function P by P(E) = { 0, if E is finite, 1, if Ec is finite. (b) I f Q is countably infinite, show P i s finitely additive but not a-additive. (c) If Q is uncountable, show Pis a-additive on F
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Let Q be a non-empty set. Let Fo be the collection of all subsets such that
either A or Ac is finite.
(a) Show that Fo is a field.
Define for E e Fo the set function P by
P(E) = { 0, if E is finite, 1, if Ec is finite.
(b) I f Q is countably infinite, show P i s finitely additive but not a-additive. (c) If Q is uncountable, show Pis a-additive on F
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