N (in the philosophy of the logical positivists) the doctrine that nontautologous statements are meaningful only if it is in principle possible to establish empirically whether they are true or false 实证原则
principle of verification检证原则;证实原则;原则
The Principle of Verification证实原则
empirical principle of verification经验证实原则
N（名词） (in the philosophy of the logical positivists) the doctrine that nontautologous statements are meaningful only if it is in principle possible to establish empirically whether they are true or false 实证原则