Circular Reasoning (Petitio principii) Argumentation Category: Rozum Visual infographic and fallacy summary: Circular Reasoning Definition & Logical ConceptYou prove your conclusion by using a premise that already assumes the conclusion is true. The argument is circular. Practical Debate Example Speaker A: „How do you know this book is sacred and contains 100% truth?“ Speaker B (Fallacy): „Because it says so right in the text, and since it is sacred, it cannot lie!“ How to Counter & DefendExpose the loop: 'You are proving the book by using the book itself. We need external evidence to confirm its truth.' Common Synonyms & Alternative Terms circular reasoning • petitio principii • logical fallacy • debate manipulation Psychological Mechanism: Why It Works Kruhové zdůvodnění působí formálně uceleně a maskuje fakt, že do argumentace nebyl vložen žádný nový důkaz. Common Debate Scenarios encountering circular reasoning in debatewhen someone says "Because it says so right in the text, and since it is sacred..." Easily Confused With Informal logical fallacy Related Fallacies in this Category: False Dilemma Slippery Slope Appeal to Authority Middle Ground ← No True Scotsman Back to 60 Logical Fallacies Catalog Genetic Fallacy →
