Write-ups due Monday Sept 25.

Wednesday Sept 20

<>Topics discussed in lecture today: Sets

Solve:
Denote by A the set A={0,1,2,3,4,5,6,7,8,9} and let B={2,4,6}.
Find the sets: A union B, A intersect B, A setminus B, B setmius A.

[Reminder: the problems listed here need to be solved by Thursday's lecture;
  you do not need to write them up or turn them in for grading, but
  you need to be able to solve them and understand them well.]

Solve, write up and turn in: the exercises listed on page 3 of the above Sets.

[Reminder: the problems listed here also need to be solved by 10:30 a.m. tomorrow;
 in addition,  write up the solutions and turn them in
for grading on the date shown
on the top of the page.]


Thursday Sept 21

Topics discussed in lecture today: Real numbers

Solve, write up and turn in: the exercises listed in the write-up above at p.4.


Friday Sept 22

Topics discussed in lecture today: sec. 2.3.1, 2.3.2, 2.4  of  Bounds of sets of numbers
Read
the sections listed above.
Solve, write up and turn in: problems 2.3.1, 2.3.3 a)-c), 2.3.4, 2.3.5.
                                               
The bonus problems are optional and are worth extra 5 points each.
                                                Write the solutions to bonus problems on separate papers (do not forget to sign them!)
                                                 and turn them in in a separate pile than the regular homework.