A chemical formula is a concise list of the elements in a compound and the ratios of these elements. To better understand what a chemical formula means, we must consider how an ionic compound is constructed from its ions.
A fallacy is an incorrect argument in logic and rhetoric. It gives a result which is not valid or lacks soundness. Fallacies are either formal fallacies or informal fallacies.
By Richard Nordquist. Definition: A fallacy in which one event is said to be the cause of a later event simply because it occurred earlier. (See Examples and Observations, below.). See also: 1  Cause and Effect. 2  Logical Fallacy. 3  Non Sequitur. 4  Top 12 Logical Fallacies.