4 question for the philosophy

g1056x130
Invaliditytest.docx

For each argument below, carry out the steps of the invalidity test in the boxes provided.

E1.3a If Joe works hard, he will get an A.

Joe will get an A.

Joe works hard.

A. List premises and negation of conclusion.

     

B. Produce consistent story for sentences in A.

     

C. Apply definition of logical validity.

     

D. Apply definition of logical soundness.

     

E1.3b Harry got his heart ripped out by a government agent.

Harry is dead.

A. List premises and negation of conclusion.

     

B. Produce consistent story for sentences in A.

     

C. Apply definition of logical validity.

     

D. Apply definition of logical soundness.

     

E1.3c Everyone who loves logic is happy.

Jane does not love logic.

Jane is not happy.

A. List premises and negation of conclusion.

     

B. Produce consistent story for sentences in A.

     

C. Apply definition of logical validity.

     

D. Apply definition of logical soundness.

     

E1.3d Our car will not run unless it has gasoline.

Our car has gasoline.

Our car will run.

A. List premises and negation of conclusion.

     

B. Produce consistent story for sentences in A.

     

C. Apply definition of logical validity.

     

D. Apply definition of logical soundness.

     

E1.3e Only citizens can vote.

Hannah is a citizen.

Hannah can vote.

A. List premises and negation of conclusion.

     

B. Produce consistent story for sentences in A.

     

C. Apply definition of logical validity.

     

D. Apply definition of logical soundness.