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Intro to Logic: Constructing Proofs

  1. Apr 23, 2012 #1
    Hey, I'm new to the forum so I'm not sure if I posted this in the right section. I'm taking Intro to Logic and I'm having some problems.

    Proofs: Construct proofs for each of the following symbolic arguments.
    Commas are used to mark the breaks between premises. (Each proof can be
    completed in fewer than 10 steps, including premises.)

    ^These are the instructions my textbook gives. I have no clue on how to start this at all. Could someone explain this to me please.

    2. (W → U) • ∼X ∴ ∼U → ∼W

    3. F → ∼G, G ∴ ∼F

    Rewrite it :

    3) 1.F → ∼G
    2.G ∴ ∼F


    Other than that I have no clue what to do...
     
  2. jcsd
  3. Apr 24, 2012 #2
    bump... no one has any input at all? :(
     
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