Rule of Four

The Rule of Four is an ontological and epistemological position about how the universe organizes. It says that every thing can be organized into four directions, plus or minus 1 (depending on going "meta" or "drilling downward" to form the next order or hierarchy).

• arithmetic: 4 operators, plus equal
• alchemy
• cardinal points, plus up/down
• four limbs, plus head
• four fingers, thumb

TBC...