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Probabilistic Language Understanding and Formal Linguistic Theory: the Case of Epistemic Modality
Probabilistic Language Understanding and Formal Linguistic Theory: the Case of Epistemic Modality
Detailed Information
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20250211152746
- ISBN
- 9798342114769
- DDC
- 600
- 서명/저자
- Probabilistic Language Understanding and Formal Linguistic Theory: the Case of Epistemic Modality
- 발행사항
- [Sl] : Stanford University, 2024
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2024
- 형태사항
- 169 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 86-04, Section: A.
- 주기사항
- Advisor: Condoravdi, Cleo;Degen, Judith.
- 학위논문주기
- Thesis (Ph.D.)--Stanford University, 2024.
- 초록/해제
- 요약Natural language contains a variety of means for expressing possibilities consistent with what is known. Particularly well-studied among them are the epistemic modal auxiliaries might and must:(1) a. Ann: Where is Peter?b. Mary: He {might/must} be in his office.There is broad agreement that might and must relate a body of premises - things that are known and/or assumed by the relevant agent - to a conclusion (e.g., in 1b, the proposition expressed by Peter is in his office, the 'prejacent' of the modal). Might conveys more uncertainty than does must; that is, mightexpresses a comparatively weaker link between the premises and the conclusion expressed within the prejacent. This dissertation follows Roberts (2023) in "assum[ing] a central thesis about modal auxiliaries due to Angelika Kratzer" (Roberts, 2023: 1219):(2) THE MODAL BASE PRESUPPOSITION: Natural language expressions that contain a modal component in their meaning, including all English modal auxiliaries and EMAs [epistemic modal auxiliaries] in particular, presuppose a modal base, a function that draws from context a relevant set of propositions which contribute to a premise-semantics for the modal. (Roberts, 2023: 1220)Roberts (2023) notes that among theorists who generally assume (2), there are live matters of theoretical debate, including disagreement over how to answer the following two questions:1. What constraints, if any, are there on the character of the premise set for an EMA [epistemic modal auxiliary], and how can this be reliably retrieved in the context of utterance? (Roberts, 2023: 1220)2. What is the nature of the relationship between premises and conclusion that is required for truth of the EMA statement? (ibid)This dissertation addresses Roberts' questions for the epistemic modal auxiliaries and for a range of other epistemic modal operators. The formal machinery of probability theory plays a central role in this work in two main respects:Probabilistic semantics for epistemic modalsProbability theory - in particular, Bayesian probability theory - provides a formal characterization of how a rational agent updates their beliefs under persistent uncertainty via observation of data ('evidence') which speaks for/against the agent's competing hypotheses regarding what the world is like. Building on past e↵orts to apply probability theory to the formal study of epistemic modal meaning, I show that a Bayesian formulation of evidential reasoning also provides the basis of a semantics for epistemic must/mightwhich addresses a number of challenges that have vexed linguistic semanticists and philosophers of language. These challenges include:• How do we specify a formal framework that verifies entailment relations between the modal auxiliaries and other epistemic operators (e.g., possible, certain)?• How do we specify a formal framework that verifies entailment from must p to 'the relevant agent has a high degree of confidence in p'?• How can we account for the observation that must p (cf. other epistemic operators, including possible and must's putative dual might) is often infelicitous without contextually-salient evidence for p?• How can we account for the observation that must p is infelicitous in contexts where the relevant agent has direct evidence for p?
- 일반주제명
- Infections
- 일반주제명
- Linguistics
- 일반주제명
- Semantics
- 일반주제명
- Natural language
- 일반주제명
- Logic
- 기타저자
- Stanford University.
- 기본자료저록
- Dissertations Abstracts International. 86-04A.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■020 ▼a9798342114769
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■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a600
■1001 ▼aWaldon, Brandon Riley.
■24510▼aProbabilistic Language Understanding and Formal Linguistic Theory: the Case of Epistemic Modality
■260 ▼a[Sl]▼bStanford University▼c2024
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2024
■300 ▼a169 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 86-04, Section: A.
■500 ▼aAdvisor: Condoravdi, Cleo;Degen, Judith.
■5021 ▼aThesis (Ph.D.)--Stanford University, 2024.
■520 ▼aNatural language contains a variety of means for expressing possibilities consistent with what is known. Particularly well-studied among them are the epistemic modal auxiliaries might and must:(1) a. Ann: Where is Peter?b. Mary: He {might/must} be in his office.There is broad agreement that might and must relate a body of premises - things that are known and/or assumed by the relevant agent - to a conclusion (e.g., in 1b, the proposition expressed by Peter is in his office, the 'prejacent' of the modal). Might conveys more uncertainty than does must; that is, mightexpresses a comparatively weaker link between the premises and the conclusion expressed within the prejacent. This dissertation follows Roberts (2023) in "assum[ing] a central thesis about modal auxiliaries due to Angelika Kratzer" (Roberts, 2023: 1219):(2) THE MODAL BASE PRESUPPOSITION: Natural language expressions that contain a modal component in their meaning, including all English modal auxiliaries and EMAs [epistemic modal auxiliaries] in particular, presuppose a modal base, a function that draws from context a relevant set of propositions which contribute to a premise-semantics for the modal. (Roberts, 2023: 1220)Roberts (2023) notes that among theorists who generally assume (2), there are live matters of theoretical debate, including disagreement over how to answer the following two questions:1. What constraints, if any, are there on the character of the premise set for an EMA [epistemic modal auxiliary], and how can this be reliably retrieved in the context of utterance? (Roberts, 2023: 1220)2. What is the nature of the relationship between premises and conclusion that is required for truth of the EMA statement? (ibid)This dissertation addresses Roberts' questions for the epistemic modal auxiliaries and for a range of other epistemic modal operators. The formal machinery of probability theory plays a central role in this work in two main respects:Probabilistic semantics for epistemic modalsProbability theory - in particular, Bayesian probability theory - provides a formal characterization of how a rational agent updates their beliefs under persistent uncertainty via observation of data ('evidence') which speaks for/against the agent's competing hypotheses regarding what the world is like. Building on past e↵orts to apply probability theory to the formal study of epistemic modal meaning, I show that a Bayesian formulation of evidential reasoning also provides the basis of a semantics for epistemic must/mightwhich addresses a number of challenges that have vexed linguistic semanticists and philosophers of language. These challenges include:• How do we specify a formal framework that verifies entailment relations between the modal auxiliaries and other epistemic operators (e.g., possible, certain)?• How do we specify a formal framework that verifies entailment from must p to 'the relevant agent has a high degree of confidence in p'?• How can we account for the observation that must p (cf. other epistemic operators, including possible and must's putative dual might) is often infelicitous without contextually-salient evidence for p?• How can we account for the observation that must p is infelicitous in contexts where the relevant agent has direct evidence for p?
■590 ▼aSchool code: 0212.
■650 4▼aInfections
■650 4▼aLinguistics
■650 4▼aSemantics
■650 4▼aNatural language
■650 4▼aLogic
■690 ▼a0290
■690 ▼a0395
■71020▼aStanford University.
■7730 ▼tDissertations Abstracts International▼g86-04A.
■790 ▼a0212
■791 ▼aPh.D.
■792 ▼a2024
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17163733▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
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