Logic(philosophy)

Please read and follow all directions.  There are two parts.  Part A asks for translations; Part B asks for a truth table for an argument. 

Your answers are due no later than 9am, Saturday, June 20, 2015

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Answers Due:  Saturday, June 20, 2015, by 9am.

A.    Directions.  Translate the 2 statements below, using the following translation dictionary:  C = Congress will pass legislation on campaign contributions; F = there will be a fair election; G = Ms. Grayson will be elected; I = there will be an impartial election;

1.      Congress passing legislation on campaign contributions is a necessary condition for there to be a fair and impartial election.

2.      If the election isn’t impartial, then if Ms. Grayson is elected, then Congress won’t pass legislation on campaign contributions.

B.     Directions.  Construct a truth table for the following argument.  Use the Indirect Method (see Hurley’s 358-365) or my “Short-Cut Method” (see previous eMail from me).  Show your work.  [Note: ‘/’ separates the individual premises in the argument and ‘//’ is the conclusion indicator, which separates the premises from the conclusion.   Is the argument valid or invalid? 

  Argument:               (D -> ~S)   /   (L v S)   //   (D -> L)