Carroll's Paradox from the viewpoints of Wittgenstein, Ibn Sīnā, and Tūsī
Author(s):
Abstract:
Carrolls paradox calls the most fundamental concept of logic, namely the concept of inference, into challenge, and appears to convey that one cannot pass, in any inferences, legitimately from premises to conclusion. So as to get hold of any possible solution out of their writings, the current article puts the paradox under three giant thinkers (i.e. Wittgenstein, Ibn Sīnā, and Tūsī) views. Wittgenstein puts forward an inexpressible but showable modus ponens in all inferences that leads ultimately to the distinction between rule and premise. Ibn Sīnā recognizes the logical principles as criterion (mikyāl) not as matter (mādda) for which the same exactly holds as the above distinction. Also, Tūsī speaks of the necessity of any syllogism to have an assistant and concomitant modus ponens that can be considered as the iteration of Wittgensteins inexpressible-but-showable modus ponens leading as before to the mentioned distinction. As a key solution to Carrolls paradox, one should make a robust distinction between rule and premise, and bring inadmissibility to converting the former to the latter.
Keywords:
Language:
Persian
Published:
Journal of Philosophical Theological Research, Volume:18 Issue: 2, 2017
Pages:
163 to 173
https://magiran.com/p1668879
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