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( a ) Use the method of conditional proof to ( BOC ) [ CA VB ) > ( CVA ) ] Use the Strengthened

(a) Use the method of conditional proof to (BOC)[CA VB)>(CVA)]
Use the Strengthened method of conditional Proof to prothenede validity of the following argument:
CE VE) G H(I.J)(EDG)(H
(C) Symbolize the following argument by using the suggested notations;
66 Only salesmen are retailers. Not all retailee are travelers. Therefore, some salesmen are hot travelers.99
CSxix is a salesman Rx :x is a retailer
Tx: x is a traveler)
(d) Prove the validity of the following argument by using quantification theory:
Cx)(DxGx)
Sm
Dm
: (XXSxGX)

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