形容词& 副词先验; 推理的，演绎的推理地，演绎地; 验前
1. 由因及果的；演绎的；推理的
An a priori argument, reason, or probability is based on an assumed principle or fact, rather than on actual observed facts.
e.g. In the absence of such evidence, there is no a priori hypothesis to work with.
没有此类证据，就没有可以推理的前提。
1. a priori是什么意思
1. It would be foolish to rule out the last possibility a priori.
a priori
adj
1. involving deductive reasoning from a general principle to a necessary effect
not supported by fact
e.g. an a priori judgment
2. based on hypothesis or theory rather than experiment
adv
1. derived by logic, without observed facts