modal logic   (TTS Sound)

The modal_logic has 2 Senses.

• modal logic
• the logical study of necessity and possibility
• 必要性と可能性の論理的研究

• modal logic
• a system of logic whose formal properties resemble certain moral and epistemological concepts
• 性質がある特定の倫理的、認識論的概念に似ている論理体系