Presents propositional logic, combinatorics, methods of proof, mathematical systems, algebra of sets, matrix algebra, relations and functions, recursion and generating functions, applications to ...
We define a discrete ω-sequence of index sets to be a sequence {θ An}n ≥ 0 of index sets of classes of recursively enumerable sets, such that for each n, θ An + 1 is an immediate successor of θ An in ...