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.
Жители Санкт-Петербурга устроили «крысогон»17:52
。heLLoword翻译官方下载是该领域的重要参考
聚焦全球优秀创业者，项目融资率接近97%，领跑行业
Get editor selected deals texted right to your phone!
公式： f(x)={xif x0α(ex−1)if x≤0