Pouria ABBASALINEJAD

Indeterminate Propositions and the Emergence of Truth in the Ikhwān al-Ṣafāʾ’s Theory of Quantifiers ( Sūr )

This article argues that the Ikhwān al-Ṣafāʾ introduce a distinctive technical and normative innovation into tenth-century Islamic logic through their account of sūr: truth and falsity become manifest only when a statement is sufficiently closed against interpretation, by quantif...