My aim in this paper is to discuss some problems and issues connected with the notion of the "a priori." I should state at the beginning that my own position is what might be termed ...

Policy Sciences, Vol. 14, No. 1 (Dec., 1981), pp. 31-47 (17 pages) Theory is the foundation of policy studies in the social sciences; its specification via a model is a key element in the selection of ...

This is a preview. Log in through your library . Abstract The present paper is concerned with the unilateral contact model in linear elastostatics, the so-called Signorini problem. (Our results can ...