1) What is an argument in philosophy? Be sure to explain
the role of premises and conclusions. What does it mean to say that a
deductive argument is valid? What does it mean to say that a deductive argument
is sound? Next, give one original example of each of the following. A deductive argument that is valid and has all false
premises. A deductive argument that is invalid with all true
premises. A sound deductive argument.
2) describe the relationship between psychological egoism and
ethical egoism. Define each theory, and explain how they are similar and how
they differ. Does accepting one theory commit you to accepting the other? Does
rejecting one commit you to rejecting the other? Why or why not?