Bla blah. This is a collection of notes with lambda calculus stuff. The posts tend to come with a kind of live lambda calculus environment where we can run examples or play around.
The ones called “How/What do the lambdas?” are more introductiony than the others, with stuff about syntax and semantics and how the editors work and such.
Some numbery functions
How do the lambdas?
What do the lambdas?
Some booly functions
A design pattern?
Also there's a lambda-playground over here