theorem
proved
term proof
minkowski_einstein_zero
show as:
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formal statement (Lean)
156theorem minkowski_einstein_zero (x : Fin 4 → ℝ) (up : Fin 0 → Fin 4) (low : Fin 2 → Fin 4) :
157 einstein_tensor minkowski_tensor x up low = 0 := by
proof body
Term-mode proof.
158 unfold einstein_tensor
159 simp only [minkowski_ricci_zero, minkowski_ricci_scalar_zero, mul_zero, sub_zero]
160
161end Geometry
162end Relativity
163end IndisputableMonolith