Vinculum: a horizontal line drawn over a group of terms in a mathematical expression to indicate that they are to be operated on as a single entity by the preceding or following operator. Hiawatha: Hiawatha, a skilled and charismatic orator, was a follower of the Great Peacemaker (Deganawida), a Huron prophet and spiritual leader who proposed the unification of the Iroquois peoples, who shared common ancestry and similar languages. Ayida Wedo: In Vodou, especially in Benin and Haiti, Ayida-Weddo is a loa of fertility, rainbows, wind, water, fire, and snakes. Zermelo: Zermelo set theory, as set out in an important paper in 1908 by Ernst Zermelo, is the ancestor of modern set theory. It bears certain differences from its descendants, which are not always understood, and are frequently misquoted. 40keys: 01101001 01101110 01110011 01110000 01101001 01110010 01100101 01100100 00100000 01100010 01111001 00100000 01100010 01100101 01100011 01101011 01100101 01110100 01110100