The text also discusses the relation between “ʿamā” (blindness) and “baṣar” (sight). Understanding blindness invokes the capacity for sight and its absence; it does not assert that every blind person actually has sight.
Compare:
“Four” → even: a necessary numerical property.
“Book” → my cupboard: a personal association, not a necessary implication.
Iltizām requires a relation of necessity, not any idea that happens to come to mind.
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Six Kinds of Signification and the Three Modes of Verbal Convention
The text also discusses the relation between “ʿamā” (blindness) and “baṣar” (sight). Understanding blindness invokes the capacity for sight and its absence; it does not assert that every blind person actually has sight.
Compare:
“Four” → even: a necessary numerical property.
“Book” → my cupboard: a personal association, not a necessary implication.
Iltizām requires a relation of necessity, not any idea that happens to come to mind.