pith. machine review for the scientific record. sign in
def definition def or abbrev

ParallelTransported

show as:
view Lean formalization →

No prose has been written for this declaration yet. The Lean source and graph data below render without it.

generate prose now

formal statement (Lean)

  54def ParallelTransported (g : MetricTensor) (γ : SpacetimeCurve)
  55    (V : ℝ → (Fin 4 → ℝ)) : Prop :=

proof body

Definition body.

  56  ∀ lam μ,
  57    deriv (fun l => V l μ) lam +
  58    Finset.univ.sum (fun α =>
  59      Finset.univ.sum (fun β =>
  60        christoffel g (γ.path lam) μ α β *
  61        γ.tangent lam α *
  62        V lam β)) = 0
  63
  64/-- Smoothness of a vector field along the affine parameter. -/

used by (4)

From the project-wide theorem graph. These declarations reference this one in their body.

depends on (15)

Lean names referenced from this declaration's body.