Shape

115 A Second Look at Calculating
has twin representations—first
and then in addition
Of course, I can avoid this—but only after the fact—if I make further divisions in the
initial shape
If there’s one way to divide a shape to do what I want, then there are going to be other
ways as well. It’s easy to confirm, even if it isn’t exactly obvious, that I can cut the sides
of the triangle and the chevron in this way
Then the rule