All 'flows' are real; that is the basic theorem of time travel.
Thus it is one of basic theorem of Boolean algebra.
It is a basic theorem in modern quantum information theory.
How do you 'prove' the basic theorems of geometry?
The basic theorem about Hex is that no game can end in a draw.
However, this alternative definition includes one exceptional structure of order 2 which fails to satisfy various basic theorems (such as for all ).
One can see that the law of excluded middle cannot hold from the following basic theorem:
Given some basic theorems of set theory, the proof is simple.
The following three basic theorems on the interchange of limits are essentially equivalent:
This result has important connections to many basic theorems.