%0 Journal Article %A Walton, Douglas %T The speech act of presumption %D 1993 %J Pragmatics & Cognition %V 1 %N 1 %P 125-148 %@ 0929-0907 %R https://doi.org/10.1075/pc.1.1.08wal %I John Benjamins %X This paper presents a speech act analysis of presumption, using the framework of a dialogue in which two parties reason together. In the speech act of presumption, as opposed to that of assertion, the burden of proof resides not on the proponent to prove, but on the respondent to rebut. Some connections of this account with nonmonotonic reasoning and informal fallacies in argumentation are explored. %U https://www.jbe-platform.com/content/journals/10.1075/pc.1.1.08wal