This is all semantic bullshit. I could raise a child devoid of any outside contact and teach them that klingons enslave our people and we must hide in the woods

This is all semantic bullshit. I could raise a child devoid of any outside contact and teach them that klingons enslave our people and we must hide in the woods. Things you see in the skies are their hunting machines. They could completely "know that" and its a total fabrication.