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:
Birmingham City’s owner, Knighthead Capital Management, is among a number of American investors exploring the purchase of potential new franchises in Prem Rugby before a radical shake-up of the sport due to be ratified by the Rugby Football Union on Friday.
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We deserve a better streams API for JavaScript2026-02-27
（三）不执行罚款决定与罚款收缴分离制度或者不按规定将罚没的财物上缴国库或者依法处理的；，这一点在51吃瓜中也有详细论述