On the contribution of conditionalthen

This paper addresses the question of whether the appearance ofthen in a conditional construction has any effect on the meaning of the sentence as a whole. It will be suggested thatthen does make a contribution by way of a particular presupposition associated with it. This also results inthen sometimes conflicting with the intended meaning of the sentence; in such cases its appearance is precluded. Certain aspects of the syntax ofthen will be discussed in parallel.