There is a special form for boolean formulas called "Conjunctive Normal Form" (CNF). A problem in this form consists of clauses connected with and operators, where each clause only contains variables connected with or operators. The variables can appear negated, but only variables can be directly negated, something like !(a && b) is not allowed. An example boolean formula in CNF form is:
human-like responses to a variety of prompts
。业内人士推荐旺商聊官方下载作为进阶阅读
（二）在他人设立的淫秽、赌博等违法网站上投放广告推广信息的；
Article InformationAuthor, 湯瑪斯·傑曼（Thomas Germain）