1 Introduction -- 2 Two-Dimensional Semantics -- 2.1 Conventional Implicature -- 2.2 Conventional Implicatures vs. Presuppositions -- 2.2.1 A Discourse Logic -- 3 Sentence Adverbs -- 3.1 Types of Sentence Adverbs -- 3.2 Semantic Unembeddability -- 3.2.1 Antecedent of Conditionals -- 3.2.2 Questions -- 3.2.3 Negation -- 3.2.4 Denial -- 3.2.5 Attitude Verbs -- 3.2.6 Semantic (Un)embeddability of Sentence Adverbs -- 3.3 Properties of German Sentence Adverbs -- 3.3.1 The probably Type -- 3.3.2 The unfortunately Type -- 3.3.3 The frankly Type -- 3.3.4 Frankly Speaking -- 3.3.5 Properties of Three Types of Sentence Adverbs -- 3.4 Sentence Adverbs on Two Semantic Dimensions -- 3.5 Syntax/Semantics Mismatch -- 3.5.1 An Anaphoric Approach to Utterance Modification -- 3.6 Summary -- 4 Denn and Weil - Causal Connectives in Two Dimensions -- 4.1 Data -- 4.1.1 Two German Words for 'Because' -- 4.1.2 Epistemic and Speech Act Uses -- 4.1.3 Three Exceptions to the Use of Denn -- 4.2 Previous Work -- 4.2.1 The Performative Analysis -- 4.2.2 Denn and Antibackgrounding -- 4.3 Semantics of denn -- 4.3.1 Denn as a Conventional Implicature Item -- 4.3.2 Unembeddability of denn -- 4.3.3 Formalizing denn's Semantics -- 4.4 Syntax of denn -- 4.5 The Distribution of denn vs. weil Explained -- 4.5.1 Denn in Epistemic and Speech Act Causal Sentences -- 4.5.2 Three Exceptions to the Use of denn -- 4.6 Further Issues -- 4.6.1 Epistemic and Speech Act Uses of weil -- 4.6.2 English because -- 4.6.3 Embedding under Non-Restrictive Relative Clauses -- 4.7 Summary -- 5 Relevance Conditionals - If on Another Dimension -- 5.1 Crucial Properties of Relevance Conditionals -- 5.1.1 Semantic Unembeddability -- 5.1.2 Illocutionary Status of the Consequent -- 5.1.3 Syntactic Unintegration -- 5.2 The Analysis: 'If' on Two Dimensions -- 5.2.1 Proposal.

5.2.2 Net Effect of the If-Clause in RCs -- 5.2.3 Discussion -- 5.3 Previous Accounts -- 5.3.1 Conditional Assertion Accounts -- 5.3.2 Existential Quantification over Potential Literal Acts -- 5.3.3 Relevance Conditionals as Topics -- 5.4 Summary -- 6 A Paradigm of Adjuncts on Two Dimensions -- 6.1 Taking Stock -- 6.1.1 Syntactic Unintegration -- 6.1.2 Argument Types of CI Modifiers -- 6.2 Although -- 6.3 Modifiers on Different Dimensions -- 7 Complement Clauses -- 7.1 Attitude Verbs and Their Complements -- 7.1.1 V2 Embedding -- 7.1.2 Slifting -- 7.1.3 Properties of Slifting vs. V2 embedding -- 7.2 Verbs that Allow Slifting and V2 Complements -- 7.2.1 Which verbs allow V2 complements? -- 7.2.2 Which Verbs do Not Allow V2 Complements? -- 7.2.3 Slifting Verbs -- 7.2.4 Generalization: Epistemicity -- 7.3 Slifting as Evidentials -- 7.3.1 Analysis -- 7.3.2 Slifting and Verb Classes -- 7.3.3 Slifting and Semantic Embedding -- 7.3.4 Summary: Slifting -- 7.4 V2 Complement Clauses -- 7.4.1 Analysis -- 7.4.2 V2 Complement Clauses and Verb Classes -- 7.4.3 V2 Complement Clauses and Semantic Embedding -- 7.4.4 Summary: V2 Complement Clauses -- 7.5 Summary: V2 Complements & Slifting -- 8 Conclusion -- Bibliography -- Term Index -- Author Index.