Similar words

  • order ideal
  • Lie ideal

Opposite words

Narrower meaning words


  • From French idรฉal, from Late Latin ideฤlis, from Latin idea; see idea.

  • In mathematics, the noun ring theory sense was first introduced by German mathematician Richard Dedekind in his 1871 edition of a text on number theory. The concept was quickly expanded to ring theory and later generalised to order theory. The set theory and Lie theory senses can be regarded as applications of the order theory sense.

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