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def definition def or abbrev

sourced_efe_coord

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formal statement (Lean)

 106def sourced_efe_coord (met : MetricTensor) (ginv : InverseMetric)
 107    (gamma : Idx → Idx → Idx → ℝ)
 108    (dgamma : Idx → Idx → Idx → Idx → ℝ)
 109    (Lambda kappa : ℝ)
 110    (T : Idx → Idx → ℝ) : Prop :=

proof body

Definition body.

 111  ∀ mu nu : Idx,
 112    einstein_tensor met ginv gamma dgamma mu nu + Lambda * met.g mu nu =
 113    kappa * T mu nu
 114
 115/-- Flat Minkowski metric satisfies the vacuum EFE with Lambda = 0. -/

depends on (17)

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