
arXiv: 2310.05777
Notions of unknown truths and unknowable truths are important in formal epistemology, which are related to each other in e.g. Fitch's paradox of knowability. Although there have been some logical research on the notion of unknown truths and some philosophical discussion on the two notions, there seems to be no logical research on unknowable truths. In this paper, we propose a logic of unknowable truths, investigate the logical properties of unknown truths and unknowable truths, which includes the similarities of the two notions and the relationship between the two notions, and axiomatize this logic.
pages 13
FOS: Computer and information sciences, Computer Science - Logic in Computer Science, FOS: Mathematics, Mathematics - Logic, Logic (math.LO), Logic in Computer Science (cs.LO)
FOS: Computer and information sciences, Computer Science - Logic in Computer Science, FOS: Mathematics, Mathematics - Logic, Logic (math.LO), Logic in Computer Science (cs.LO)
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