Partial Belief, Partial Intention
Department of Linguistics and Philosophy, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge MA 02139, USA holton{at}mit.edu
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Is a belief that one will succeed necessary for an intention? It is argued that the question has traditionally been badly posed, framed as it is in terms of all-out belief. We need instead to ask about the relation between intention and partial belief. An account of partial belief that is more psychologically realistic than the standard credence account is developed. A notion of partial intention is then developed, standing to all-out intention much as partial belief stands to all-out belief. Various coherence constraints on the notion are explored. It is concluded that the primary relations between intention and belief should be understood as normative and not essential.