nullity

(Anglès)

  1. (countable, uncountable) The state of being null, or void, or invalid.
  2. (countable, uncountable) A void act; a defective proceeding or one expressly declared by statute to be a nullity.
  3. (countable, uncountable) The dimension of the kernel of a linear transformation; the dimension of the nullspace of a matrix.

Etimologia (Anglès)

From Middle French nullité and its etymon Medieval Latin nūllitās, from Latin nūllus. By surface analysis, null + -ity.

nul·litat

inviabilitat

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