----- 二维语义:子句的附加与补充
This book argues that in order to account for the compositional behavior of many near-synonymous items, semantic analyses need to pay close attention to at least two semantic dimensions: standard assertions and conventional implicatures, which express additional side comments. The discussed phenomena are clausal adjuncts and complements in German. The new analysis of 'weil' and 'denn' ('because') shows that both contribute the same semantic operator, but one as an assertion, the other as a conventional implicature. This explains why only 'denn' can have speech-act modifying uses. This novel two-dimensional analysis is extended to other sentence adjuncts such as regular vs. relevance conditionals, although-clauses, and sentence adverbs. Further, the book investigates certain complement clauses.
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