Until the naturalized epistemology of Quine is suggested, the anti-psychologism of Frege in logical area is authority.
一直到蒯因自然化认识论的提出，弗雷格的反心理主义思想都在逻辑学领域占有权威地位。
2
This paper begins with the psychologism in logical area in Frege's time, and states the three steps of Frege's working for his target that building mathematics on logical foundation.