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non- +‎ raven


nonraven (plural nonravens)

  1. That which is not a raven.
    • 1982, Paul Horwich, Probability and evidence (page 60)
      Similarly, there are various ways of gathering the data that something is a nonblack nonraven.
    • 2001, Peter Achinstein, The book of evidence
      Let us return to the hypothesis that generated the paradox: All nonblack things are nonravens.
    • 2007, Marc Lange, Philosophy of science: an anthology
      Hempel remarks that if we know that we are indoors, and so that the object under examination is a nonraven, then we have no need to check whether it is nonblack (ie, to do ornithology indoors) in order for our report of that object to logically entail H's development.

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