**vicious circle principle** — noun : a principle in logic: whatever is defined in terms of all of a collection or of a totality cannot be a member thereof compare russell s paradox … Useful english dictionary

**vicious circle** — principle … Philosophy dictionary

**VICIOUS CIRCLE** — the logical FALLACY which involves supporting an argument by circular reasoning where the conclusion has already been used to support a premise upon which the conclusion is based. Generally it means using a statement to support a second… … Concise dictionary of Religion

**circle, vicious** — A definition is viciously circular when the term to be defined reappears in the definition, or where the notion that is being defined is implicitly contained in the definition. The definition that ‘“ x is good” means that we think that x is good’ … Philosophy dictionary

**Logicism** — is one of the schools of thought in the philosophy of mathematics, putting forth the theory that mathematics is an extension of logic and therefore some or all mathematics is reducible to logic.[1] Bertrand Russell and Alfred North Whitehead… … Wikipedia

**List of philosophy topics (R-Z)** — RRaRabad Rabbinic law Rabbinic theology Francois Rabelais François Rabelais race racetrack paradox racism Gustav Radbruch Janet Radcliffe Richards Sarvepalli Radhakrishnan radical Aristotelianism radical behaviourism radical feminism radical… … Wikipedia

**Circular definition** — A circular definition is one that uses the term(s) being defined as a part of the definition or assumes a prior understanding of the term being defined. Either the audience must already know the meaning of the key term(s), or the definition is… … Wikipedia

**Intuitionism** — This article is about Intuitionism in mathematics and philosophical logic. For other uses, see Ethical intuitionism. In the philosophy of mathematics, intuitionism, or neointuitionism (opposed to preintuitionism), is an approach to mathematics as … Wikipedia

**Proof of impossibility** — A proof of impossibility, sometimes called a negative proof or negative result , is a proof demonstrating that a particular problem cannot be solved, or cannot be solved in general. Often proofs of impossibility have put to rest decades or… … Wikipedia

**Halting problem** — In computability theory, the halting problem can be stated as follows: Given a description of a computer program, decide whether the program finishes running or continues to run forever. This is equivalent to the problem of deciding, given a… … Wikipedia