-  Announcements:
	
	-  The exams have been graded:
		
		-  Mean: 61
		
 -  SD: 16
		
 -  Key
		
 -  I'll need to curve it some: add 15 to your score.
		
 -  Furthermore, if you'll come see me, I'll give you back 20% of the remaining points you missed (after the curve is applied). 
		
 
	 
	
 -  Note: there is a homework set due Friday....
	
 
	
 -  For next time: read section 4.7: The Fourth Dimension
	
 
	
 
	
	
 -  Section 3.2: Comparing the Infinite
	
		
		-  The ping-pong ball conundrum
		
		
 -  The ping-pong ball conundrum is related to other paradoxical
			ideas, such as Zeno's paradoxes 
		
 
	
	
 -  Section 3.4: stratosphere of infinities
	
	
	-  The Power set
		
		-  Set of all subsets of a set
		
 -  Power sets lead to bigger sets
		
 -  This is true even in the case of infinite sets!
		
 
	
	
 -  A proof (following the idea of Dodge Ball) that there is an
	infinite set too big to be contained in "Motel Infinity". 
	
 
 
Website maintained by Andy Long.
Comments appreciated.