dogmatism

US /ˈdɑːɡ.mə.tɪ.zəm/
UK /ˈdɑːɡ.mə.tɪ.zəm/
1.

chủ nghĩa giáo điều

stating your opinions in a strong way and not accepting anyone else's opinions:

:
There is a note of dogmatism in the book.