The following set of arguments involves, in each case, one inference only, in which one of the

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The following set of arguments involves, in each case, one inference only, in which one of the ten logical equivalences set forth in this section has been employed. Here are two examples, the first two in the exercise set immediately following.


(P1): ~ (R ꓦ S) ⊃ (~ R ꓦ ~ S)
∴ (~ R ⋅ ~ S) ⊃ (~ R ꓦ ~ S)

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Related Book For  answer-question

Introduction To Logic

ISBN: 9781138500860

15th Edition

Authors: Irving M. Copi, Carl Cohen, Victor Rodych

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