. . . . . "2584449"^^ . "In mathematics and abstract algebra, the two-element Boolean algebra is the Boolean algebra whose underlying set (or universe or carrier) B is the Boolean domain. The elements of the Boolean domain are 1 and 0 by convention, so that B = {0, 1}. Paul Halmos's name for this algebra \"2\" has some following in the literature, and will be employed here."@en . "Two-element Boolean algebra"@en . "994682109"^^ . . . . "8176"^^ . . "In mathematics and abstract algebra, the two-element Boolean algebra is the Boolean algebra whose underlying set (or universe or carrier) B is the Boolean domain. The elements of the Boolean domain are 1 and 0 by convention, so that B = {0, 1}. Paul Halmos's name for this algebra \"2\" has some following in the literature, and will be employed here."@en .