1) Identities:
go over homework given from class
build towards the ideas of 'proofs' on these--how much is enough?
why there are important: they aren't in and of themselves. they create two things for us--rules and patterns but also the ability to create knowledge and then use it in the future. this is the concept of proof, and is important to us.
2) Konigsburg Bridge and the concept of graph theory (at the most basic level)
this is going to build into probability for us on Thursday.