If we consider the denotation of fictitious concept not to exists, it will result in a series of contradictions of many definitions and rules of formallogics.
如果将虚构概念的外延视作零，将使普通逻辑的许多定义、规则产生一系列的矛盾。
2
Under the formal method, the notion of deduction in the classical logics captures the intuitively correct forms of reasoning.
在形式化方法下，经典逻辑通过严格概念推演表达正确推理形式的直观概念。
3
Healing Logics provides an extensive, multicultural look at folk and alternative beliefs and practices concerning health and medicine and examines the interplay between formal and folk health care.