knower

n.

认识者，理解者；

1. The understanding mathematics teaching is one kind of teaching whose goal is to promote the knower to understand mathematics fully.
   理解性数学教学是一种以促进理解者充分理解数学为目标的教学。

The Knower and The Known
Measuring The Knower
Knower-guesser differentiation in ravens: others' viewpoints matter
Measuring The Knower: Towards a Theory of Knowledge Equity
On knowledge structures and knower structures
Knowledge-knower structures in intellectual and educational fields
The Knower and the Known: The Nature of Knowledge in Research on Teaching
Number-Knower Levels in Young Children: Insights from Bayesian Modeling
Fitch's proof, verificationism, and the knower paradox
The epistemological stance between the knower and the known