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:
CBS and CBS NewsBesides its news division, which includes 60 Minutes, CBS is also home to hits like Tracker and Matlock, along with reality stalwarts Survivor and Big Brother.
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Party billed it as a two-horse race with Reform but Greens’ Hannah Spencer connected with voters in a way it could not
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Раскрыты подробности о договорных матчах в российском футболе18:01