Changes
Outline of left side section
===The left side of the equation: the Einstein curvature tensor===
====Some assumptions about the universe====
====The metric tensor====
====The local Minkowski metric====
====Geodesics====
====Parallel transport and intrinsic curvature====
====The Riemann and Ricci tensors and the curvature scalar====
====The Einstein tensor====
====The cosmological constant====
==Exact Solutions in General Relativity==
