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  3. give an example to show it is false or argue why i

give an example to show it is false or argue why it is true. ?!xP(x)??xP(x) ?xP(x)??!xP(x) ?!x¬P(x)?¬?xP(x)

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Question

Advance Math

give an example to show it is false or argue why it is true.

?!xP(x)??xP(x)

?xP(x)??!xP(x)

?!x¬P(x)?¬?xP(x)

Answer & Explanation Solved by verified expert
4.4 Ratings (867 Votes)
1 xPxxPxThis is true Since the premise says that thereexists a unique x such that Px is true so this means existenceof x is guaranteed for Px to be true So the right side is trueHence the imlication is true2 xPxxPxThis is false Since the premise says    See Answer
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