"that s a tautology a redundant phrase a useless repetition" in German That's a tautology/a redundant phrase/a useless repetition. Das ist doppelt gemoppelt. Detailed translations for "that s a tautology a redundant phrase a useless repetition" That's a tautology/a redundant phrase/a useless repetition. That's a tautology/a redundant phrase/a useless repetition.(also: That's just saying the same thing twice., That's just repeating yourself.) Das ist doppelt gemoppelt.