Mar 30, 2011 ... v3.00 (April 3, 2002). Revised notes; minor additions to text; added 82 exercises
with ...... f1;?;?2g is a basis for Q??? over Q. The calculations in Example 1.23
show that if ? is the element ?. 4 C2?3 C3 of ..... for n>1 if F D C (see 5.6), nor for n>
2 if F D Fp (see 4.21) or F D R. However, later. (4.32) we shall see ... 
