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Wiktionary
logical fallacy

alt. 1 A fallacy; a clearly defined error in reasoning used to support or refute an argument, excluding simple unintended mistakes. 2 A formal fallacy.''Encyclopedia Britannica'' (1911), "Fallacy". n. 1 A fallacy; a clearly defined error in reasoning used to support or refute an argument, excluding simple unintended mistakes. 2 A formal fallacy.''Encyclopedia Britannica'' (1911), "Fallacy".

WordNet
logical fallacy

n. a fallacy in logical argumentation

Usage examples of "logical fallacy".

It should be classified as a logical fallacy and may be designated as “.

But this is the logical fallacy of saying that because A implies B, B must imply A.

After you have watched them a while, you realize that these ultra-new people have fallen victim to the oldest form of logical fallacy, the non sequitur, and likewise to the oldest form of slavery, which is self-indulgence.

Your comment about the party's intent only shows the logical fallacy of their statements.

The rest of the article wasn't bad, but to end by quoting a man who obviously has no sense of history, and cap it off with a logical fallacy&mdash.

Jonathan thought that Thrimp's argument about the simplicity of flying was what one of his teachers had called a logical fallacy.