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This formula is satisfiable because if we set to b to true and a to false, then the whole formula is true. All other assignments make the formula false, but it doesn't change that the formula is satisfiable as long as there is at least one assignment makes the formula true.
英國超市將巧克力鎖進防盜盒阻止「訂單式」偷竊，更多细节参见WPS下载最新地址
在公共场所拉客招嫖的，处五日以下拘留或者一千元以下罚款。
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以下内容来自姚哲口述，经品牌棱镜编辑：
NYT Strands spangram hint: Is it vertical or horizontal?Today's NYT Strands spangram is vertical.，详情可参考同城约会