Common
Grelling–Nelson paradox
Semantic self-referential paradox
Grelling–Nelson paradox
The Grelling–Nelson paradox arises from the question of whether the term non-self-descriptive is self-descriptive. It was formulated in 1908 by Kurt Grelling and Leonard Nelson, and is sometimes mistakenly attributed to the German philosopher and mathematician Hermann Weyl thus occasionally called Weyl's paradox or Grelling's paradox. It is closely related to several other well-known paradoxes, in particular, the barber paradox and Russell's paradox. It is an antinomy, or a semantic self-referential paradox.
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