In Spring 2015 Eric Egge and Deanna Haunsperger each taught a section of Mathematical Structures. On the last day of classes, the two came together for the first ever Proof-Off, a friendly team competition to see which section could write the most and clearest proofs in seventy minutes.

Structures Proof-Off!
Structures Proof-Off!
Structures Proof-Off!
Structures Proof-Off!