Suppose the domain of the propositional function P ( x, y ) consists of pairs x and y, where x is a, b, c, or d and y is e, f, or g. Write out the following propositions using disjunctions, conjunctions, and negations.   ∃x P ( x, g ) ∀y P ( b, y ) ∃y ¬ P ( a, y )

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Author:Erwin Kreyszig
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Suppose the domain of the propositional function P ( x, y ) consists of pairs x and y, where x is a, b, c, or d and y is e, f, or g. Write out the following propositions using disjunctions, conjunctions, and negations.

 

  1. ∃x P ( x, g )
  2. ∀y P ( b, y )
  3. ∃y ¬ P ( a, y )
  4. ∀x ¬ P ( x, e )
  5. ∃x ¬ P ( x, f )
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