Modality and the plurality of logics

Authored by: Otávio Bueno

The Routledge Handbook of Modality

Print publication date:  December  2020
Online publication date:  December  2020

Print ISBN: 9781138823310
eBook ISBN: 9781315742144
Adobe ISBN:


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Modality, the realm of the possible and the necessary, has played a significant role in the study of logical consequence. Arguably, when it was first formulated, the concept of logical consequence was understood in modal terms: in today’s vocabulary, we say that, in a valid argument, necessarily the truth of the premises guarantees the true of the conclusion, or, even better, without semantic ascent, in a valid argument, the conjunction of the premises and the negation of the conclusion is impossible.

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