作者: Marcus Kracht , Oliver Kutz
DOI: 10.1016/B978-044451541-4/50025-7
关键词: Linguistics 、 Accessibility relation 、 Mathematics 、 Multimodal logic 、 Dynamic logic (modal logic) 、 Modal μ-calculus 、 Discrete mathematics 、 Modal logic 、 S5 、 Normal modal logic 、 Epistemic modal logic
摘要: Publisher Summary This chapter focuses on logically possible worlds and counterpart semantics for modal logic. Originally conceived as the logic of necessity possibility, philosophical roots go back at least far Aristotle Stoic Diodorus Cronus. The most common logics introduce notions a world, or situation, impose further structure by means more less complex relations, example, notion accessibility. Modal does not embody commitment to any sort—rather doctrines realism anti-realism are subject considerable debate. languages predicate that is considered differs from language propositional follows. First, there neither variables nor constants. Second, first-order second-order differ syntactically well with respect substitution principles assumed. discusses logic, objects in frames, semantical impact Haecceitism. Details metaframes status also presented this chapter.