While the Kinbun learning was specially restricted to only one classic and strictly followed the rules and interpretations of the school, the Kobun learning studied all of the Rikkei, sometimes adopting theories from other schools such as Kinbun, and aimed at a comprehensive interpretation of the Keisho.
古文学は、今文学が一経専門で家法を頑なに遵守したのに対して、六経すべてを兼修し、ときには今文学など他学派の学説をとりいれつつ、経書を総合的に解釈することを目指した。