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fuzzy logic
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Fuzzy Logic
In mathematics and computing, a form of knowledge representation suitable for notions (such as ‘hot’ or ‘loud’) that cannot be defined precisely but depend on their context. For example, a jug of water may be described as too hot or too cold, depending on whether it is to be used to wash one's face or to make tea.
The central idea of fuzzy logic is probability of set membership. For instance, referring to someone 175 cm/5 ft 9 in tall, the statement ‘this person is tall’ (or ‘this person is a member of the set of tall people’) might be about 70% true if that person is a man, and about 85% true if that person is a woman.
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