A fallacy is the use of invalid or otherwise faulty reasoning in the construction of an argument [1][2] that may appear to be well-reasoned if unnoticed. The term was introduced in the Western intellectual tradition by the Aristotelian De Sophisticis Elenchis. A logical fallacy is an argument that may sound convincing or true but is actually flawed, leading to an unsupported conclusion.
Fallacy, in logic, erroneous reasoning that has the appearance of soundness. In logic an argument consists of a set of statements, the premises, whose truth supposedly supports the truth of a single statement called the conclusion of the argument. For them, a fallacy is reasoning that comes to a conclusion without the evidence to support it. This may have to do with pure logic, with the assumptions that the argument is based on, or with the way words are used, especially if they don't keep exactly the same meaning throughout the argument.
fallacy in advertising, A fallacy indicates flawed reasoning, not necessarily a false conclusion. However, conclusions reached through fallacious reasoning should be critically evaluated. What is the Ad Hominem Fallacy? The ad hominem fallacy occurs when someone attacks the person making an argument rather than the argument itself. This fallacy diverts attention from the actual issue ...