Tag: modal logic

S4 Modal Logic System

S4 is a modal logic system defined by reflexivity and transitivity axioms…

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Understanding Seriality in Relations and Logic

Seriality defines a property of relations, ensuring every element in the domain…

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Salve Veritate

Salve veritate, a Latin phrase meaning "with truth unchanged," signifies substitutions in…

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Rigid Designator

A rigid designator names the same object across all possible worlds where…

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Relational Semantics

Relational semantics interprets logical languages using relations between possible worlds or states…

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Referential Opacity Explained

Referential opacity describes expressions where replacing a co-referential term might alter the…

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Quantified Modal Logic

Quantified modal logic extends standard modal logic with quantifiers like 'all' and…

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Provability Logic

Provability logic, a subset of modal logic, explores the formal properties of…

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Prelinearity Axiom

The prelinearity axiom, represented by the formula (P → Q) ∨ (Q…

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Possible Worlds

A hypothetical total way things might have been or could be. Used…

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