Behavioral and Brain Sciences

Table of Contents - 2007 - Volume 30, Issue 03  

Open Peer Commentary

The logic of natural sampling

David E. Overa1

a1 Psychology Department, Durham University, Science Laboratories, South Road, Durham City DH1 3LE, United Kingdom. david.over@durham.ac.uk

Abstract

Barbey & Sloman (B&S) relegate the logical rule of the excluded middle to a footnote. But this logical rule is necessary for natural sampling. Making the rule explicit in a logical tree can make a problem easier to solve. Examples are given of uses of the rule that are non-constructive and not reducible to a domain-specific module.

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