Set Theory

The course is on the axiomatic approach to Set Theory of Neumann-Bernays-Gödel (NBG). The text book is "Set Theory" of Charles Pinter (Addison-Wesley Publ. Co. 1971).

Week Fourteen

Solutions

Solution of Exercise 5.2 of the textbook

Week Eleven

Homeworks (order preserving functions, order relations)

Solutions

Week Ten

These are the solutions.

I recommend exercises 8 (page 67), exercises 1.c, 1.e, 3 (page 74).

Week Nine

These are the solutions.

I recommend exercises 1, 2, 3 and 5 (only a) ) of page 66 and 67.

Week Five

These are the solutions of the exercises 11 and 12 at page 45 of the book.

Solutions

I recommend exercises 11 and 12 at page 45 of the book and these. The due date is Wednesday, October 16.

Week Four

This is a note on the existence of proper classes.

Week Three

Solutions

homeworks (Axiom of Class Construction)

Week Two

homeworks (Axiom of Extent, Berry's Paradox)

Notes

On the Russell paradox

This is a brief (and simplified to a great extent) history of set theory.