| A concept is an abstract idea or a mental symbol, typically associated with a corresponding representation in and language or symbology, that denotes all of the objects in a given category or class of entities, interactions, phenomena, or relationships
between them. Concepts are abstract in that they omit the differences
of the things in their extension, treating them as if they were
identical. They are universal in that they apply equally to every thing
in their extension. Concepts are also the basic elements of
propositions, much the same way a word is the basic semantic element of a sentence. Unlike perceptions, which are particular images
of individual objects, concepts cannot be visualized. Because they are
not, themselves, individual perceptions, concepts are discursive and
result from reason. They can only be thought about, or designated, by
means of a name. Words are not concepts. Words are signs for concepts... |
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