> For instance in Leonardo DaVinci's famous human figure drawing
'Vitruvius,' Leonardo has the figure inside both a square and a circle.
This was an alchemical symbol for "squaring the circle", a bit of number
mysticism that has now been shown to be mathematically impossible. I think
this particular symbol ends there, & has nothing to do with the GThom.
Making the "opposites unite" was central to alchemy, anyway, & as a mystical
symbol predates GThom & is contained trans-culturally in many different