Surely the node should be “person X was taught basic mathematics”, and not mathematics itself?
The point of having the node is to have a common cause of person X’s beliefs about mathematics and person Y’s beliefs about mathematics that explains why these two beliefs are correlated even if both discovered said mathematics interdependently.
Surely the node should be “person X was taught basic mathematics”, and not mathematics itself?
The point of having the node is to have a common cause of person X’s beliefs about mathematics and person Y’s beliefs about mathematics that explains why these two beliefs are correlated even if both discovered said mathematics interdependently.