Unlesss

English

Etymology

Attributed to John Horton Conway. From Template:M, by analogy with the formation of Template:M from Template:M.

Conjunction

1. Template:Lb Precisely unless.
   • 1990, James Glimm, The Legacy of John Von Neumann, American Mathematical Society, Template:ISBN, page 279,

     Partial Order: G ≥ H unlesss (unless and only unless) H ≥ some G^R or some H^L ≥ G.

   • Template:Quote-book
   • 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     unlesss H ≥ G^R or H^L ≥ G for some G^R ∈ G^R or some H^L ∈ H^L. ¶ (Analogous to “iff”, the term “unlesss” means “unless and only unless”.)

References

• MathWorld

Anagrams

• Template:Anagrams