def
definition
def or abbrev
ChristoffelSymmetric
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formal statement (Lean)
28def ChristoffelSymmetric (cs : ChristoffelSymbols) : Prop :=
proof body
Definition body.
29 ∀ x ρ μ ν, cs.Γ x ρ μ ν = cs.Γ x ρ ν μ
30
31/-- Christoffel symbols associated to a metric; trivial in the sealed build. -/