vicious circle

vicious circle

1. Logic

a. a form of reasoning in which a conclusion is inferred from premises the truth of which cannot be established independently of that conclusion

b. an explanation given in terms that cannot be understood independently of that which was to be explained

c. 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

2. Med a condition in which one disease or disorder causes another, which in turn aggravates the first condition