email Dr Langford: laurel.langford@uwrf.edu
Axioms and theorems list (file is updated regularly)
Mon  Wed  Fri 
Sept 5 About the class; proof by contradiction; proof by cases. 
Reprove/ rewrite the proof for the line separation corollary. Extra hints for the third (trickiest) case. 

Sept 10 


Sept. 17 
NonEuclid appet 

Sept 24  
Oct 1 

Oct 15  Here is the text of the proofs we did in class today. (Word document, pdf) Things that may be on the test. 
Exam this Friday

My write up of the area of triangle formula proof