كدلالة الدخان على النار
As smoke signifies fire.
Here smoke is the sign and fire is what it indicates. Smoke is not a word or an arbitrary agreed symbol. Reason relates it to fire through an observed connection between cause and effect.
Actual investigation may still require attention to circumstances and alternative sources. The point is that an observable effect can lead the mind to a related cause.
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Six Kinds of Signification and the Three Modes of Verbal Convention
كدلالة الدخان على النار
As smoke signifies fire.
Here smoke is the sign and fire is what it indicates. Smoke is not a word or an arbitrary agreed symbol. Reason relates it to fire through an observed connection between cause and effect.
Actual investigation may still require attention to circumstances and alternative sources. The point is that an observable effect can lead the mind to a related cause.