... '99 Ambiguous propositions typed Tim Fernando Philosophy Department University of Texas Austin, TX 78712-1180, USA f ernando~ims, uni-stuttgart, de* Abstract Ambiguous propositions are ... concretely, suppose • were a binary con- nective on propositions A and B such that A • B is a proposition ambiguous between A and B. Under the " ;propositions- as-types" paradigm (e.g. (Gi- ... underspecified relative to a pre-existing collection of de- pendent types, construed as unambigu- ous propositions. A simple system of reasoning directly with such underspec- ification is described,...