[dom0]

> Shirley rejects Leibniz as the first creator of the binary system.

I think the idea of single-source attribution of relatively simple concepts is plain stupid. Any number of people could have made this up in a wide array of circumstances and for a similarly wide array of circumstances we may never know about it. For somewhat similar reasons a lower bar for patents has been established.

[thaumasiotes]

This is how I've always felt about De Morgan's obvious, obvious Laws.