public void RemoveSkillRelation(Skill skill)
{
if (!RelationChild.Contains(skill))
{
return;
}
RelationChild.Remove(skill);
RelationParent.Remove(skill);
skill.RemoveSkillRelation(this);
}
public void RemoveCultureRelation(Culture culture)
{
if (!RelationChild.Contains(this))
{
return;
}
RelationChild.Remove(culture);
RelationChild.Remove(culture);
culture.RemoveCultureRelation(this);
}
