Combining any two familiar words does not automatically create a good definition. The result must make the target concept clearer.
Weak answer: 'A triangle is a nice shape.' This does not distinguish triangles from other shapes.
Better answer: 'A triangle is a plane figure enclosed by three straight sides.' It presents identifying features.
Later lessons develop more exact conditions for sound definitions. For now, the key is explanatory adequacy.
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A useful definition must distinguish
Nazar, Fikr and the Definition of Logic
Combining any two familiar words does not automatically create a good definition. The result must make the target concept clearer.
Weak answer: 'A triangle is a nice shape.' This does not distinguish triangles from other shapes.
Better answer: 'A triangle is a plane figure enclosed by three straight sides.' It presents identifying features.
Later lessons develop more exact conditions for sound definitions. For now, the key is explanatory adequacy.