In formal logic, a formal system (also called a logical system, a logistic system, or simply a logic Formal systems in mathematics consist of the following elements: A finite set of symbols (for example the alphabet), that can be used for constructing formulas (for example finite strings of symbols). A grammar, which tells how well-formed formulas (abbreviated wff) are constructed out of the symbols in the alphabet. It's usually required that there be a decision procedure for deciding whether… (More on Formalization)