Definition. Lecture 1 › Dualities [0065]

February 11, 2026

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Context

VU-AL-2026. Lecture 1 [0062]

February 11, 2026

Basic modal logic [0064]

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Example. Examples of modal patterns [006g]

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Definition. Formulas of modal propositional logic [006i]

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Definition. Frame [006j]

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Example. Frame examples [006k]

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Definition. Model and pointed model [006l]

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Example. Model example [006m]

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Definition. Local truth [006n]

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Example. Local truth in a model [006o]

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Definition. Dualities [0065]

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Syntax and semantics of prop1 [0068]

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Definition. Syntax of prop1 [0066]

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Definition. Semantics of prop1 [0067]

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Example. prop1 example [006c]

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Soundness and completeness [006e]

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Definition. Hilbert style proof system [006a]

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Example. Hilbert proof example [006d]

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