不适当的产品
Nonproper Products
摘要:
证明了存在两个具有简单(Borel)定义的真生物力,它们的乘积是不真的.我们还给出了一个新的条件,确保适当的一些强制与规范。
英文摘要:
We show that there exist two proper creature forcings having a simple (Borel) definition, whose product is not proper. We also give a new condition ensuring properness of some forcings with norms.
机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。