This document is partly based on a prior posting composed in reply to Ted Holden.
My thanks to both him and other critics for motivating me.
Most of these principles were formally proposed by Nicolaus Steno (Niels Steensen, Danish), in 1669, although some have an even older heritage that extends as far back as the authors of the Bible.
A few principles were recognized and specified later.
For example, the principle of superposition is based, fundamentally, on gravity.