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self-referential sentence

A sentence that refers to itself and nothing else. Here are some examples:
This statement is short.
This sentence has five words.
The last word of this sentence is "wrong."
"Pentasyllabic" is pentasyllabic.
How long is the answer to this question? Ten letters.
Some self-referential statements take the form of jokes. For example:
The two rules for success are: Never tell them everything you know.
There are three kinds of people in the world: those who can count and those who can't.
Finally, some take the form of maxims, as in this case by Thomas Macaulay (1800-1859):
Nothing is so useless as a general maxim.

Related category

   • LOGIC