Second Translation Exercise

Answers

 

Translate the following English sentences into Propositional  Logic. Use ">" for the horseshoe and "iff" for the triplebar. 

  1. He hated both man and beast.

    A: He hated man.
    B: He hated beast
    (A & B)

     
  2. It is not true that he hated both man and beast.

    ~(A & B)
     
  3. If it is false that he hated man, then he didn't hate beast

    (~A ⊃ ~B)
     
  4. He hated neither man nor beast.

    (~A & ~B)

    alternatively:

    ~(A v B)

     
  5. It is not the case that either he hated man or he hated beast.

    ~(A v B)
     
  6. He didn't hate man or he didn't hate beast.

    (~A v ~B)
     
  7. He hated man or beast, but not both.

    (A v B) & ~(A & B)
     
  8. His hating man is a sufficient condition of his hating beast.

    (A ⊃ B)
     
  9. He hated man only if he hated beast.

    (A ⊃ B)
     
  10. He hated man if he hated beast.

    (B ⊃ A)
     
  11. If Paul lodges a complaint, then Beth will investigate and Tom will be disqualified.

    P: Paul lodges a complaint
    B: Beth will investigate
    T: Tom will be disqualified

    P ⊃ (B & T)

     
  12. If Paul lodges a complaint then Beth will investigate, and Tom will be disqualified.

    (P ⊃ B) & T
     
  13. If Paul lodges a complaint then either Beth will investigate or Tom will be disqualified.

    (P ⊃ (B v T))
     
  14. If Paul lodges a complaint and Beth investigates, then Tom will be disqualified.

    (P & B) ⊃ T
     
  15. If either Paul lodges a complaint or Beth investigates, then Tom will be disqualified.

    (P v B) ⊃ T
     

 

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