n (mathematics) The element of a set with the greatest magnitude.
n (mathematics)Said of an ideal of a ring or a filter of a lattice: that it is as large as it can be without being trivial (improper).
n (logic)Said of a set of well-formed formulas: that it is as large as it can be without being inconsistent; i.e., that for any wff φ, the set contains either φ or ~φ.