- a situation in which effort to solve a given problem results in aggravation of the problem or the creation of a worse problem: a vicious circle where the more I give them, the more they expect.
- Logic.
- (in demonstration) the use of each of two propositions to establish the other.
- (in definition) the use of each of two terms to define the other.
- a situation in which an attempt to resolve one problem creates new problems that lead back to the original situation
- logic
- a form of reasoning in which a conclusion is inferred from premises the truth of which cannot be established independently of that conclusion
- an explanation given in terms that cannot be understood independently of that which was to be explained
- a situation in which some statement is shown to entail its negation and vice versa, as this statement is false is true only if false and false only if true
- a condition in which one disease or disorder causes another, which in turn aggravates the first condition
