Commit 2025-01-20 11:09 3bf4857a
View on Github →chore(Order): split GaloisConnection into Defs.lean and Basic.lean (#20798)
The main reason for this PR is noticing that NNRat brings in a lot of order theory:
Mathlib.Data.NNRat.Defs.pdf. We don't actually need to know what a boolean algebra is, or even a complete lattice, to define NNRat.