Anchor: (If you doubt this, read Matt Ridley's excellent new book, The Origins of Virtue .) That's one reason the ever expanding scope of economic activity is essentially a force of nature--it can be guided, it can be slowed, but it can't, realistically, be stopped.
Entailed: Economics has a very wide read and can never be stopped.
Contradiction: Economics can be stopped by the government. 
Contradiction: A hiker is lost in the desert.
Contradiction: The man is photographing something.
Contradiction: A young man holds a can behind his back.
Contradiction: A boy chases ducks.