Abductive virtue and rule of hypothesis introduction in natural deduction La virtud abductiva y la[ Tr]egla de introducción de hipótesis en deducción natural

Abstract

Since its creation by Peirce, the nature of abductive inference has been construed in many ways. Three construing are analyzed, and some of their derivatives, to then examine the possibility for considering abduction as an argumentative virtue of cognitive character, in line with current theories on epistemological virtues resulting from E. Sosa works and argumentative virtues according to A. Aberdein. Based on the said construing, it is proposed that abduction could play the role of justification of natural deduction rules that introduce hypothetical clauses.