daily chance to inject my opinion on GA: Almost all of the value in GA comes from the use of multivectors and the wedge product. It's very hard to find a justi

daily chance to inject my opinion on GA: Almost all of the value in GA comes from the use of multivectors and the wedge product. It's very hard to find a justification for the "geometric product", and there's no real geometric interpretation of it. Therefore treating it as fundamental is a difficult-to-justify choice. "Exterior Algebra" on its own has everything you want without the objectionable parts.