- DONE CT230 Notes
  :LOGBOOK:
  CLOCK: [2022-09-14 Wed 11:41:04]--[2022-09-14 Wed 18:01:05] =>  06:20:01
  :END:
- DONE MA284 Notes
- DONE add definition for semantic integrity constraints
  :LOGBOOK:
  CLOCK: [2022-09-14 Wed 18:09:33]--[2022-09-14 Wed 18:17:23] =>  00:07:50
  :END:
- TODO fla