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:
Nuclear power stations get hot. That is the plan. Pressurised steam drives turbines to generate electricity. To cool that steam and return it to the boilers, vast amounts of seawater are needed.
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She also suggests that criticism of her learning-focused business model carries hints of misogyny. “Women especially, are told this narrative of maternal instinct,” she says. “If that’s true, then every single moment of parenting becomes a barometer of whether you’re good enough: ‘Do I have the natural instinct to do this right?’ That’s a very, very overwhelming, shame-inducing space to be in.”
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СюжетПовреждение нефтепровода «Дружба»
负责人解释，椪柑皮鲜果常年每斤六七角，新会陈皮鲜果价随行就市，高价时最便宜的也达每斤七八元，光鲜果价差就超十倍；高价期将椪柑皮加工冒充五年新会陈皮售卖，利润可达成本20多倍。，这一点在Line官方版本下载中也有详细论述