The simple dichotomy of the 1980's - dissidents vs. the old regime - no longer applies.
At the same time, Pei himself rejects simple dichotomies of architectural trends.
For wraiths, everything boils down to a simple dichotomy: alive or dead.
However, this simple dichotomy runs into a major problem when used to classify entire languages in this way.
Nor with impure form, for she does not believe in simple dichotomies.
It aims to frame conflicts as consisting of many parties and pursuing many goals rather than a simple dichotomy.
That simple, vicious dichotomy had ruled Europe for centuries.
The value of such a simple dichotomy is questionable.
In reality, it is often much harder to classify actual systems unambiguously than this simple dichotomy would suggest.
There are, as always, certain complications to this simple dichotomy.