On Fri, Sep 18, 2015, at 17:13, Ian Kelly wrote: > Whoever wrote the Wikipedia article disagrees: > > https://en.wikipedia.org/wiki/Inequality_(mathematics)#Chained_notation > > Although the reference to Python leads one to suspect that this could > be based more on Python's semantics than on actual mathematics.
Also, it says "different directions", but the provided example doesn't actually *show* different directions (i.e. mixing less-operators with greater-operators). The provided example "a < b = c <= d" does allow you to infer relationships between all participants: a < b, a < c, a < d, b = c, b <= d, c <= d. -- https://mail.python.org/mailman/listinfo/python-list
