A form of self-forced meditation or repetition; autosuggestion.
That which is affirmed; a declaration that something is true.
The solemn declaration made by Quakers and others incapable of taking an oath.
A continuous function from a topological space onto a subspace which is the identity on that subspace.
An act or instance of retracting.
A statement printed or broadcast in a public forum which effects the withdrawal of an earlier assertion, and which concedes that the earlier assertion was in error.