All the measurements in the world do not balance one theorem by which the science of eternal truths is actually advanced. March 14, 1824. On Mathematics. As quoted in Carl Friedrich Gauss: Titan of Science (1955) by Guy Waldo Dunnington. p. 360.
In this rough-draft post, I will derive the 3-dimensional topological gauge 'part' of the action of supergravity. In my last post, I derived the orbifold Delta function