nondeductivity of theory from observation

例句：

1. 1. The nondeductive argument that the sun is a star is compelling.
   这个非演绎性的论点认为太阳是一颗恒星，令人信服。
2. 2.In mathematics, nondeductive reasoning is often used to solve problems that cannot be solved by deduction alone.
   在数学中，非演绎性推理经常被用来解决无法仅通过演绎法解决的问题。
3. 3.The scientist's nondeductive reasoning led him to conclude that the experiment was successful.
   科学家的非演绎性推理使他得出结论，实验是成功的。