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DOI:
https://doi.org/10.36517/arf.v5i10.19028Keywords:
Hexagon of opposition. Triangle of contrarities. Logical truth. Wittgenstein. Philosophy of Logic.Abstract
The difference between truth and logical truth is a fundamental distinction of modern logic promoted by Wittgenstein. We show here how this distinction leads to a metalogical triangle of contrariety which can be naturally extended into a metalogical hexagon of oppositions, representing in a direct and simple way the articulation of the six positions of a proposition vis-à-vis a theory. A particular case of this hexagon is a metalogical hexagon of propositions which can be interpreted in a modal way. We end by a semiotic hexagon emphasizing the value of true symbols, in particular the logic hexagon itself.Downloads
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