====== Welcome to Week 4 ======

~~NOTOC~~


==== Tuesday ====

  * A word or two on Homework and Lab.
  * Continued discussion on relations
  * Plus a review of definitions from last week
  * Lecture regarding wrapper functions for our...
  * Lab this evening \\ \\
 **Lectures**
 
  * {{ :courses:cs145-201951:07-relationsmore.pptx |More on Relations}}
  * {{ :courses:cs145-201951:07-labinfo.pptx |Lab related}}

  
  
=== A miscellaneous link to an article on another type of symmetry===

[[nautil.us/issue/69/patterns/impossible-cookware-and-other-triumphs-of-the-penrose-tile-rp|An article covering symmetry]]

==== Thursday ====

  * Let's complete the "Lab related lecture" from Tuesday
  * {{ :courses:cs145-201951:08-relationsdeepdive.pptx |A closer look at Relations}}

  **Homework**

  * disregard the homework that was on Tuesday's schedule.
  * {{ :courses:cs145-201951:hw214.txt | Do this one instead (on paper)}}
  *