tautology

nouns

(logic) a statement that is necessarily true
"the statement `he is brave or he is not brave' is a tautology"
tautology
is derived from
tautological
domain category
the branch of philosophy that analyzes inference
logic
is a type of (narrower)
a true statement
"he told the truth"; "he thought of answering with the truth but he knew they wouldn't believe it"
true statement, truth
useless repetition
"to say that something is `adequate enough' is a tautology"
tautology
is derived from
tautologic
is derived from
tautological
is a type of (narrower)
verboseness resulting from excessive repetitions
repetitiousness, repetitiveness