LessonsDefinition and Its Four Forms: Complete/Incomplete Essential and Descriptive DefinitionsQuiz

«ولا دخل للعرض العام في التعريفات لأنه لا يفيد التميز»
A common accident has no place in these definitions because it does not distinguish the thing.

A common accident can be shared by different species. For example, being able to walk is not peculiar to humans; many other animals walk.

Calling a human simply “something that walks” therefore fails to pick out the human species. The required distinguishing function of definition is not achieved.

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Why a common accident cannot define a species

Definition and Its Four Forms: Complete/Incomplete Essential and Descriptive Definitions

«ولا دخل للعرض العام في التعريفات لأنه لا يفيد التميز»
A common accident has no place in these definitions because it does not distinguish the thing.

A common accident can be shared by different species. For example, being able to walk is not peculiar to humans; many other animals walk.

Calling a human simply “something that walks” therefore fails to pick out the human species. The required distinguishing function of definition is not achieved.