The history of propaganda

Thinking of propaganda some politicians' names are at once remembered, like Caesar, Napoleon, Adolf Hitler, Joseph Stalin or Saddam Hussein.
The history of propaganda has to tell then merely mentioning those names:

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Fuzzy logic

A superset of Boolean logic (George Boole) introduced by Lotfi Zadeh in the 1960s as a means to model the uncertainty of natural language. Fuzzy logic is a type of logic that recognizes more than simple true and false values. It represents a departure from classical two-valued sets and logic, that use "soft" linguistic (e.g. large, small, hot, cold, warm) system variables and a continuous range of truth values in the interval [0,1], rather than strict binary (true or false) decisions and assignments.

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