Project-declaredLean 4.32.0
Eq bi Union iterated Maximal Subfamily
eq_biUnion_iteratedMaximalSubfamily
Plain-language statement
Any set of tiles can be written as the union of disjoint subfamilies, their number being controlled by the maximal stack size.
harmonic analysisFourier analysismeasure theory
Source project: Carleson formalization
Person-level attribution pending.