meaning for 辩证 biànzhèng:

  • - to investigate
  • - dialectical

gōngrénjiējí工人阶级
yāoqiú要求
yōngyǒu拥有
fàncuò犯错
de
quánlì权利
bìng
zài
zhèyàng这样
de
lìshǐ历史
biànzhèng辩证
zhōng
xuéxí学习

The working class demands the right to make its mistakes and learn in the dialectic of history.