Relating to or concerned with truth, or describing logical statements and systems that deal with what is true or false.
From Greek aletheia (truth) + -ic suffix (of or relating to). Used in philosophy and logic to describe truth-related concepts and modal systems.
In modal logic, 'alethic' systems study necessity and possibility—what *must* be true versus what *could* be true—giving philosophers a precise toolkit for discussing different kinds of truth claims.
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