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Exercise designed to appreciate comparative merit of CP, writing homework help

Exercise 44 … (For-Credit of 6 points)

Derive the conclusion from the premises:

———————————————————–

[44-1] Exercise designed to appreciate comparative merit of CP:

   with the same argument below,

   [44-1.1]  do the 1st proof without using CP; &

   [44-1.2]  do the 2nd proof by using CP:

               C:     A  ->  F

               1:    ~F  ->  ~H

               2:    ~A   V   H

——————————————————–

[44-2] Exercise to compare two CP’s, one of which employs CP

       as part of the whole process:

       with the same argument below,

   [44-2.1]  do the 1st proof by using CP with ~X as AP

   [44-2.2]  do the 2nd proof by using CP with Y  as AP; & then Contra

               C:    ~X  ->  ~Y

               1:    (J  V  Q)  ->  X

               2:     Y  ->  (J & N)

———————————————————

[44-3] Exercise designed to see CP as a self-contained module:

   use CP to the get the 1st part of conjunction;

   use the conditional as a premise to get the 2nd part; &

   be careful not to take the 2nd part of conjunction from CP

               C:   (D -> E) & ~K

               1:   ~D  V  ~K

               2:   ~E  ->   K

               3:  (~D V E)  ->  ~K

——————————————————–

[44-4] Exercise designed to employ CP twice to get an equivalence

   do the 1st proof for M -> G by CP;

   do the 2nd proof for G -> M by CP;

   combine them by Conj; &

   then use Equiv

               C:   M  <->  G

               1:   M   V   ~G

               2:   M   ->  ~Y

               3:  ~G  ->   Y

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