Terry Reedy wrote: > Gee, what about 0.0 < a < 1.0 < b < 2.0? I see both as synthesized > multinary operators, but your are right in that this combination does act > differently than a+b+c. Is < really multinary in python? It looks binary to me, just like +. (a+b)+c (((0.0 < a) < 1.0) < b ) < 2.0 Sunnan