Introduction - If you have any usage issues, please Google them yourself
There are some of the possible symbols K, A, N, C, E, P, Q, R, S T. A well-formed formula is a string that meets the following conditions: • The p, q, r, s, and t is the well-formed formulas • If w is formed formulas, Nw formed formulas • If w and x is formed formulas Kwx Awx, Cwx The and Ewx formed formulas.