Search results
Results from the WOW.Com Content Network
Epistemic modality is a sub-type of linguistic modality that encompasses knowledge, belief, or credence in a proposition. Epistemic modality is exemplified by the English modals may, might, must. However, it occurs cross-linguistically, encoded in a wide variety of lexical items and grammatical structures.
Epistemic modal logic is a subfield of modal logic that is concerned with reasoning about knowledge.While epistemology has a long philosophical tradition dating back to Ancient Greece, epistemic logic is a much more recent development with applications in many fields, including philosophy, theoretical computer science, artificial intelligence, economics, and linguistics.
(expressing epistemic modality) (2) Agatha must go to jail. (expressing deontic modality) The sentence in (1) might be spoken by someone who has decided that all of the relevant facts in a particular murder investigation point to the conclusion that Agatha was the murderer, even though it may or may not actually be the case.
For instance, in epistemic modal logic, the formula can be used to represent the statement that is known. In deontic modal logic , that same formula can represent that P {\displaystyle P} is a moral obligation.
Epistemic possibility is often contrasted with subjunctive possibility (or alethic possibility), and although epistemic and subjunctive possibilities are often expressed using the same modal terms (such as possibly, could be, must be) or similar modal terms that are sometimes confused (such as may be and might be), statements that are qualified ...
dynamic modality, [2] which may be distinguished from deontic modality in that, with dynamic modality, the conditioning factors are internal – the subject's own ability or willingness to act [3] The following sentences illustrate epistemic and deontic uses of the English modal verb must: epistemic: You must be starving.
Epistemologists of modality examine knowledge about what is possible and necessary. [176] Epistemic problems that arise when two people have diverging opinions on a topic are covered by the epistemology of disagreement. [177] Epistemologists of ignorance are interested in epistemic faults and gaps in knowledge. [178]
Under multimodal logic, e.g., "X is possibly (in epistemic modality, per one's data) necessary (in alethic modality)," it no longer follows that X being necessary in at least one epistemically possible world means it is necessary in all epistemically possible worlds. This aligns with the intuition that proposing a certain necessary entity does ...