Use of words repeating something already implied

Usage examples of tautology.

Gorgas fell silent, digesting the remark, which was tautology and oxymoron wrapped into one.

In this view the phrase is mere tautology, for taxation and appropriation are or may be necessary incidents of the exercise of any of the enumerated legislative powers.

Go critically over what you write and strike out every word, phrase and clause the omission of which impairs neither the clearness nor force of the sentence and so avoid redundancy, tautology and circumlocution.

And when he says, Similar sensible qualities will always be conjoined with similar secret powers, he is not guilty of a tautology, nor are these propositions in any respect the same.

What Macbeth finds staggering in this is the ease with which the leaders of the field not only accept such tautologies blithely as inherent in their belief system, but are unable to see anything improper in tautological reasoning or the meaninglessness of any conclusions drawn from it.

I thought it would be useful also, in all new draughts, to reform the style of the later British statutes, and of our own acts of assembly, which from their verbosity, their endless tautologies, their involutions of case within case, and parenthesis within parenthesis, and their multiplied efforts at certainty by saids and aforesaids, by ors and by ands, to make them more plain, do really render them more perplexed and incomprehensible, not only to common readers, but to the lawyers themselves.

He learned the construction of truth tables, and how to use them to track down tautologies ha a premise.