Description:I. ALGEBRAIC PRELIMINARIES 1. Homomorphisms and extensions. 2. Direct sums and products. 3. Linear topologies. II. SET THEORY 1. Ordinary set theory. 2. Filters and large cardinals. 3. Ultraproducts. 4. Clubs and stationary sets. 5. Games and trees. 6. u-systems and partitions. III. SLENDER MODULES