N propositional arguments, that is, there are 2 n lines of truth table and 2 n lines, and each line has two kinds of TorF, so there are 2 (2 n) kinds. 2 n positions, each position has 0 or 1, that is, 2 * 2 * 2 *...* 2, and * * is 2 n times 2, that is, 2 (2 n).

Subject content

1. set theory: sets and their operations, binary relations and functions, natural numbers and natural number set, cardinality of sets.

2. Graph theory: basic concepts of graphs, Euler graphs and hamiltonian graph, matrix representation of trees and graphs, planar graphs, graph coloring, dominating sets, covering sets, independent sets and matching, weighted graphs and their applications.

3. Algebraic structure: the basic concepts of algebraic system, semigroup and singularity, group, ring and field, lattice and Boolean algebra.