modal logic

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|logic}} Any [[formal system]] that attempts to deal with [[modality|modalities]], such as [[possibility]] and [[necessity]], but also [[obligation]] and [[permission]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.