Project-declaredLean 4.32.0
Mdifferentiable At iff differentiable At coord
ClassicalMechanics.HarmonicOscillator.Trajectory.mdifferentiableAt_iff_differentiableAt_coord
Plain-language statement
A trajectory is MDifferentiableAt a time iff its coordinate curve is ordinarily differentiable there, since the two differ by the coordinate diffeomorphism.
physicsquantum field theoryrelativity
Source project: Physlib
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