“Geach axiom”的概念、定义、翻译、参考文献-科学参考

单词	Geach axiom
释义	Geach axiom Logic In a modal logic with a necessity operator ( $□$ ) and a dual possibility operator ( $♢$ ), the axiom scheme: • $♢ □ φ \to □ ♢ φ$ The Geach axiom is the converse of the McKinsey axiom.
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