>Not even electromagnetism is a single formula

"dF = 0" represents all of Maxwell's (homogeneous) equations in terms of "differential forms".

With the right pattern recognition, the right definitions, and the right paradigm shift, you can compress multiple equations into a single equation.

With the right assumptions, ignoring not a few significant details, to a useful order of precision, as long as you don't look too hard.

Maxwell's equations are a nice continuous approximation to whatever it is that really happens.

But it's not a good idea to confuse the map with the territory.

This is more akin to lossless compression than the transcription of a territory onto a map.

A single formula is entirely possible. Simple rules in principle can generate the complexity of the universe we see. Look into the Wolfram Science Project to see how.

Yes and all of his CA's are at least 3 conditional statements, but if you're inclined to count that as one formula with split definitions then anything can be bashed into "a single formula"

> Look into the Wolfram Science Project

Ah yes that "theory" that ignores the complexity and quirks of reality