三段论是演绎推理的核心形式，其有效性需遵循四项核心规则：① 仅有三个不同概念（杜绝四概念错误）；② 中项至少周延一次；③ 前提中不周延的项，结论中不得周延；④ 前提有否定则结论必否定，两否定前提推不出结论。 A syllogism is a core form of deductive ...

"In response to the US Department of Commerce's further escalation of its ban on Huawei, at the regular press conference of ...