PHILOSOPHY 110: TAKE-HOME ASSIGNMENT #4

Name:__________________________________ Student Id.#:____________________________

First name of TA:_____________________ Day and time of tutorial___________________

Answer the following questions in the space provided, using the predicates, relational predicates and individual constants provided. To be submitted in class on Wednesday March 21^st. Since graded assignments may start being returned in tutorials on Friday the 23^rd (so that everyone who has handed their assignments in on time can have had feedback on their assignments before the March 30^th midterm), no assignment can be accepted late after Friday morning’s class without a documented excuse. Worth 5% of your final grade.

Symbolize the following sentences, using the predicate and individual constants provided. The first 10 are worth 2 each. The second 10 are worth 3 each.

Bx – “x is boring” Pxy – “x passes y”

Cx – “x is a course” Kxy – “x knows y”

Dx – “X is demanding” Lxyz – “x learns y from z”

Ex – “x is an exam” Dxy – “x is more difficult than y”

Fx – “x is friendly” Ixy – “x is more interesting than y”

Gx – “x is good” Txy ‘’ “x takes y”

Px – “x is a person” c – “Christina”

Qx – “x is a quiz” g – “George”

Ix -- “X is interesting” j – “John”

Sx – “x is a student” m – “Mary”

1. Students are friendly.______________________________________________________

2. Some demanding courses are interesting._______________________________________

3. Not every exam is demanding._______________________________________________

4. No interesting courses are boring._____________________________________________

5. John has not taken any demanding courses.__________________________________________

6. George has not learned anything from himself._______________________________________

7. John knows some friendly students,

but he doesn’t know Christina.___________________________________________________

8. John learned something from Christina.__________________________________

9. George doesn’t know every student. ___________________________________________

10. John learned everything he knows from Mary.____________________________________

11. There are students who do not know anything.____________________________________

12. Some students pass every quiz they take._________________________________________

13. Good students pass every course they take.________________________________________

14. John takes every course that Mary passes._________________________________________

15. No courses are taken by everyone.______________________________________________

16. Quizes are more interesting than exams.__________________________________________

17. No one passes all of the

exams that John takes._________________________________________________________

18. Only good students pass every course they take._____________________________________________________________________

19. John won’t take any courses unless Mary does too.____________________________________

20. No one is more interesting than John.______________________________________________