tautology
Pronunciation:
/tɔˈtɒl.ə.d͡ʒi//tɔˈtɑl.ə.d͡ʒi/noun
Definitions
Redundant use of words, a pleonasm, an unnecessary and tedious repetition.
Example: It is tautology to say, "Forward Planning".
An expression that features tautology.
In propositional logic: a statement that is true for all truth values of its propositional variables. In first-order logic: a statement that is true for all truth values of its Boolean atoms.