Specialization?

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Specialization is an important way to generate propositional knowledge, by applying general knowledge, such as the theory of gravity, to specific instances, such as "when I release this apple, it will fall to the floor". Specialization is the opposite of generalization.

Concept B is a specialization of concept A if and only if:

• every instance of concept B is also an instance of concept A; and
• there are instances of concept A which are not instances of concept B.

For instance, 'Bird' is a specialization of 'Animal' because every bird is an animal, and there are animals which are not birds (dogs, for instance).

In logic, specialization occurs when you take a statement such as:

"All cars are red"

And use it to derive statements such as:

"My car is red"

"Fred's car is red"

See also

Specialization (functional), Cell differentiation, Division of labour

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