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Ideas for '', 'How free does the will need to be?' and 'The Aim and Structure of Physical Theory'

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14. Science / B. Scientific Theories / 6. Theory Holism
Experiments only test groups of hypotheses, and can't show which one is wrong [Duhem]
     Full Idea: The physicist can never subject an isolated hypothesis to experimental test, but only a whole group of hypotheses; when the experiment is in disagreement with his predictions ...it does not designate which one should be changed.
     From: Pierre Duhem (The Aim and Structure of Physical Theory [1906], p.187), quoted by Penelope Maddy - Naturalism in Mathematics II.2
     A reaction: This is the idea frequently invoked by Quine, in support of his holistic view of scientific knowledge (along with Neurath's Boat).