13 Apr
2011
13 Apr
'11
5:49 p.m.
Ah, very cute. That includes (up to homotopy) two additional solutions. --Dan Bill T. wrote: << It's true with roman numerals (considered as topological blobs on paper, and as numerals) that EC(I) = I EC(II)=II EC(III)=III
Sometimes the brain has a mind of its own.