justosophy

See the Coq proofs in https://github.com/barry-jay-personal/tree-calculus/ for the pre-typed tree content as well.

Tree Calculus is awesome with implications beyond this website.

Shame the website doesn't attribute the creator and author Prof. Barry Jay. (Seems to be a pattern for them sadly, not sure why)

See Jay's book on GitHub for more https://github.com/barry-jay-personal/tree-calculus/blob/mas...

Good to see more attention to this. AWS did a presentation on it last year.

Some simplified exercises of isomorphic equivalence in data structures.

Haskell experts may now commence their superior mocking ;)

Tipping isn't a thing in Australia. I'm not sure I'd know the first thing for the right way to tip if I visited the US. And yet we seem to enjoy high quality food, and I believe our hospitality wages are higher in general.

( perhaps this is all anecdotal, but tipping has never seemed to make sense to someone not in the mix of it )