20 Paradoxes That Will Boggle Your Mind - Mental Floss A paradox is a statement or problem that either appears to produce two entirely contradictory (yet possible) outcomes, or provides proof for something that goes against what we intuitively expect
List of paradoxes - Wikipedia These paradoxes may be due to fallacious reasoning (falsidical), or an unintuitive solution (veridical) The term paradox is often used to describe a counter-intuitive result