#skeptic__sceptic__doubter  someone who habitually doubts accepted beliefs
  supertype:  #intellectual__intellect  a person who uses the mind creatively
  subtype:  #doubting_Thomas  someone who demands physical evidence in order to be convinced (especially when this demand is out of place)
  subtype:  #pessimist  a person who expects the worst
     subtype:  #defeatist__negativist  someone who is resigned to defeat

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