unlesss

Precisely unless.

Conjunction

  1. Precisely unless.
    • 1990, James Glimm, The Legacy of John Von Neumann, American Mathematical Society, →ISBN, page 279, Partial Order: G ≥ H unlesss (unless and only unless) H ≥ some Gᴿ or some Hᴸ ≥ G.
    • A subset S is called absorbing if to each x#92;inX there is a real number #92;epsilon#61;#92;epsilon#95;xgt;0 such that #92;lambdax#92;inS for all #92;lambda with...
    • 2004, William Fraser, Susan Hirshberg, and David Wolfe, "The Structure of the Distributive Lattice of Games Born by Day n", in Integers: Electronic Journal of Combinatorial Number Theory 5(2) (2005), page 2, G ≥ H...

Origin

Attributed to John Horton Conway. From unless, by analogy with the formation of iff from if.