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Posted by on Tuesday, December 11, 2012 at 11:27am.

Determine whether the following argument is correct. If it's not correct, explain what is wrong with ther argument and change the minor premise to make a correct argument.
If a triangle is equilateral, then it has three equal sides. Triangle ABC doesn't have three equal sides. Therefore, triangle ABC isn't equilateral.

  • math - , Tuesday, December 11, 2012 at 11:32am

    this is a mixed hypothetical statement.

    there are 4 forms, 2 are valid 2 are not.

    let the antecedent of the first statement be t, and consequent be e.
    ~p = not p
    thus we get

    t } e
    ~e
    :; ~t

    This is modus tollens literally the way that denies by denying, which is a valid argument.

  • math - , Tuesday, December 11, 2012 at 11:39am

    Sounds like a logical argument.

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