52K views · May 2, 2019 · 3:26:34 · 4 HN recommenders · 4 mentions · discussed 2019–2021
David Beazley's PyCon 2019 tutorial derives the lambda calculus from the ground up in Python, using only single-argument functions. He builds booleans, numerals and more with no other language features.
Why Hacker News points people here: HN calls it a brilliant, mind-bending introduction to lambda calculus for programmers.
“David Beazley gives a brilliant introduction to lambda calculus here”HN comment, 2021
“Great tutorial if you've never seen lambda calculus before, definitely brain twister.”
Derives lambda calculus from scratch in Python
Just watched his PyCon 2019 where he derives lambda calculus from scratch in Python, and he had similar shell magics going on there too. Great tutorial if you've never seen lambda calculus before, definitely brain twister. this video
“If you want your mind to blow up I recommend watching this year's”
Mind-blowing lambda calculus PyCon talk
If you want your mind to blow up I recommend watching this year's "Lambda Calculus from the Ground Up" PyCon talk by the wizard David Beazley this video
“David Beazley gives a brilliant introduction to lambda calculus here”
Brilliant intro to lambda calculus for Python users
For someone fluent in Python, David Beazley gives a brilliant introduction to lambda calculus here: this video This is great fun to follow through on a rainy afternoon!
“This talk by David Beazley (Lambda Calculus from the Ground Up) might be useful”
Explains booleans and numerals in lambda calculus
This talk by David Beazley (Lambda Calculus from the Ground Up) might be useful: this video Zero and one come in around the 35 minute mark (after booleans).
