Anchor: We know that every Slate page served--and, by the way, the ad on that page--has hit the eyeballs of one reader (and in all probability not more than one).
Entailed: Every Slate page served has been seen by one reader.
Contradiction: No Slate pages have been seen.
Contradiction: A boy is drinking water.
Contradiction: A girl is moving down a slide.
Contradiction: Rep has and will never co-sponsor. 
Contradiction: There is a basketball game.