An introduction to the axioms and systems for alethic modal logic.
Tag: Modality
Possibility and Necessity: An Introduction to Modality
Author: Andre Leo Rusavuk Category: Metaphysics Word count: 990 We frequently say things like, ‘This seems possible,’ ‘That can’t be done,’ ‘This must happen,’ ‘She might be able to . . ,’ ‘This is necessary for . .’ and so on.[1] Claims like these are modal claims. They involve the modal concepts of actuality, possibility, … Continue reading Possibility and Necessity: An Introduction to Modality
Modal Epistemology: Knowledge of Possibility & Necessity
Author: Bob Fischer Categories: Epistemology, Metaphysics Word Count: 998 Alice hits Betty, and Betty gets mad. Is her anger justified? Betty thinks so. After all, Alice didn’t need to hit her; Alice could have controlled her temper. This justification for Betty’s anger seems reasonable. However, it isn’t reasonable unless we know that Alice could have behaved differently, and we don’t know that … Continue reading Modal Epistemology: Knowledge of Possibility & Necessity