OAI/Analysis/CircleDomains/Sobolev/SardProof.lean
1 declarations, 0 contain sorry, 0 declared as axioms
The planar scalar Sard theorem follows from finite-dimensional scalar Sard. Only the dimension-two specialization is used here.
- theorem
OAI.CircleDomainRigidity.smoothPlanarSardline 13Source documentation
Smooth planar scalar functions have null critical-value sets.
theorem smoothPlanarSard : SmoothPlanarSard := by …