notebook/notes/formal-system/logical-system/index.md

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title TARGET DECK FILE TAGS tags
Logical Systems Obsidian::STEM formal-system
formal-system
logic

Overview

A deductive system found in certain formal systems. Logical systems are syntactic and semantic. The syntax of WFFs found in these systems are interpretable and often defined recursively (e.g. propositional and predicate logic).

%%ANKI Basic Why do we say formal systems using logical systems are semantic? Back: An interpretation is usually attached to the WFFs of the language. Reference: “Formal System,” in Wikipedia, May 10, 2024, https://en.wikipedia.org/w/index.php?title=Formal_system.

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%%ANKI Cloze Logical systems are {syntactic} and {semantic}. Reference: “Formal System,” in Wikipedia, May 10, 2024, https://en.wikipedia.org/w/index.php?title=Formal_system.

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%%ANKI Basic What kind of deductive system is propositional logic usually categorized as? Back: A logical system. Reference: “Formal System,” in Wikipedia, May 10, 2024, https://en.wikipedia.org/w/index.php?title=Formal_system.

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%%ANKI Basic What kind of deductive system is predicate logic usually categorized as? Back: A logical system. Reference: “Formal System,” in Wikipedia, May 10, 2024, https://en.wikipedia.org/w/index.php?title=Formal_system.

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Bibliography