<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def intersection(self, other, ignore_conflicts=False):
 """Return a new definition from the intersection of the definitions."""

        result = self.copy()
        result.intersection_update(other, ignore_conflicts)
        return result