infinite descent

Noun

 * 1)  A method of proof by contradiction that is used to prove that a statement must be false for all positive integers. By showing that if it is true for one integer, it must be true for a smaller integer, an infinite number of solutions are found and a contradiction is eventually reached.

Translations

 * Finnish: äärettömän laskeutumisen menetelmä
 * French: méthode de descente infinie
 * German: unendlicher Abstieg
 * Polish: metoda nieskończonego schodzenia