(adsbygoogle = window.adsbygoogle || []).push({}); what is a "4-tensor"?

Has anyone here thought at one time that the term "4-tensor" (aka "four tensor") was refering to a 4th rank tensor? Somone made this mistake and I'm, of course, curious as to how wide spread this misconception is.

Thanks

Pete

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# What is a 4-tensor ?

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