Problem on logic

[Atika Gupta]

Ques: Determine which of the following arguments are valid:
A. If prices are high, then wages are high. Prices are high or there are price controls. Also, if there are price controls, then there is not an inflation. However there is inflation. Therefore, wages are high. (P,W,C,I)

B. Either logic is difficult or not many students like it. If mathematics is easy, then logic is not difficult. Therefore, if many students like logic, mathematics is not easy. (D,L,M)

C. If Mary is a true friend, then John is telling the truth. If John is telling the truth, then Helen is not a true friend, If Helen is not a true friend, then Helen is not telling the truth. If Helen is not telling the truth, then Mary is a true friend. But if Mary is a true friend, then Helen is not a true friend. Therefore, Helen is not telling the truth. (M,J,H,T)

D. If, and only if, Roger has entered into the contract, and the contract is legal, and Roger has not performed the contract, Jones will win the lawsuit. If Roger has not accepted Jones' offer, Roger has not entered into the contract. The fact is that Roger has not accepted Jones' offer. Therefore Jones' will not win the lawsuit. (R, L,P,J,A)

E. If Brown entered into the contract, or if Brown received substantial benefits from acts performed by Smith, Brown will not win the lawsuit. If Brown revoked his offer before Smith accepted it, Brown did not enter into the contract. The fact is that Brown did not revoke his offer before Smith accepted it . Therefore, Brown will not win the lawsuit. (C,B,W,R)

F. If Brown did not enter into the contract, or if Brown performed the contract, Smith will not win the lawsuit. If Brown failed to deliver the goods on the due date, Brown did not perform the contract. The fact is that Brown did not enter into the contract and failed to deliver the goods on the due date. Therefore, Smith will win the lawsuit. (C,P,W,D)

[vandita24x7]

Whr is this question from?? What do the initials in bracket imply??

vandita

On 12 Mar 2014 18:23, "Atika Gupta [via Discussion forum]" <[hidden email]> wrote:

Ques: Determine which of the following arguments are valid:
A. If prices are high, then wages are high. Prices are high or there are price controls. Also, if there are price controls, then there is not an inflation. However there is inflation. Therefore, wages are high. (P,W,C,I)

B. Either logic is difficult or not many students like it. If mathematics is easy, then logic is not difficult. Therefore, if many students like logic, mathematics is not easy. (D,L,M)

C. If Mary is a true friend, then John is telling the truth. If John is telling the truth, then Helen is not a true friend, If Helen is not a true friend, then Helen is not telling the truth. If Helen is not telling the truth, then Mary is a true friend. But if Mary is a true friend, then Helen is not a true friend. Therefore, Helen is not telling the truth. (M,J,H,T)

D. If, and only if, Roger has entered into the contract, and the contract is legal, and Roger has not performed the contract, Jones will win the lawsuit. If Roger has not accepted Jones' offer, Roger has not entered into the contract. The fact is that Roger has not accepted Jones' offer. Therefore Jones' will not win the lawsuit. (R, L,P,J,A)

E. If Brown entered into the contract, or if Brown received substantial benefits from acts performed by Smith, Brown will not win the lawsuit. If Brown revoked his offer before Smith accepted it, Brown did not enter into the contract. The fact is that Brown did not revoke his offer before Smith accepted it . Therefore, Brown will not win the lawsuit. (C,B,W,R)

F. If Brown did not enter into the contract, or if Brown performed the contract, Smith will not win the lawsuit. If Brown failed to deliver the goods on the due date, Brown did not perform the contract. The fact is that Brown did not enter into the contract and failed to deliver the goods on the due date. Therefore, Smith will win the lawsuit. (C,P,W,D)

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[Atika Gupta]

I got it from someone in jnu. It is not from any paper certainly. May be from some text book.

U can use these initials to form the truth table to verify the arguments

[vandita24x7]

No idea about truth tables.. if u hv the solution, kindly post

vandita

On 12 Mar 2014 18:51, "Atika Gupta [via Discussion forum]" <[hidden email]> wrote:

I got it from someone in jnu. It is not from any paper certainly. May be from some text book.

U can use these initials to form the truth table to verify the arguments

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