Coq-BB5
Coq-BB5 is a Coq proof that BB(5) = 47,176,870. It combines many deciders and individual TM proofs that the bbchallenge.org community developed and described over the years 2022-2024. It is maintained by mxdys and includes a snapshot of BusyCoq maintained by meithecatte.
See: https://github.com/ccz181078/Coq-BB5/tree/main
TODO: Give wiki links to these deciders and individual TM proofs.