English-Finnish translations for counterfactual

Contrary to the facts; untrue
Of or in comparison to a hypothetical state of the world
A claim, hypothesis, or other belief that is contrary to the facts
A conditional statement in which the conditional clause is false, as "If I had arrived on time . . ."."[http://www.philosophypages.com/dy/c9.htm#couf counterfactual]" in ''A Dictionary of Philosophical Terms and Names'''Random House Webster's Unabridged Electronic Dictionary'

Dictionary