Walter Bradley Center Fellow Discovers Longstanding Flaw in an Aspect of Elementary Calculus
The flaw doesn't lead directly to wrong answers but it does create confusion.The lead author, Jonathan Bartlett, noted that the likely source of the bad notation was a philosophical issue. Because no one wanted to give differentials that same ontological status as other numbers, everyone presumed that the notational problems were simply the result of this fact, and no one pursued it further.
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