Tutorial Contents Tutorial Two: Propositional Calculus: Language - Truth Functors - The Propositional
Language
- "Implicate" -
Stand-alone sentences - Scope
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Exercise 2.5

 

1

In each of the following, say whether the second sentence is an acceptable translation of the first. (If it isn't, think of situation in which the sentences would have different truth-values.)
  (i) Either he will or he won't. [He will he won't]
  (ii) John will come today or tomorrow, but not both. [John will come today John will come tomorrow].
  (iii) You won't win unless you try. [You will not win you will try].
  (iv) He is president of the United States, or the most powerful man in the world. [He is president of the United States he is the most powerful man in the world].
  (v) You may have soup or fish. [You may have soup you may have fish].
  (vi) John or David will come. [John will come David will come].
 
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