CovDQ

• CovDQ[symbol] yields True if symbol has been defined as a covariant derivative and False otherwise.

• Each covariant derivative has an upvalue for this function.
• Do not confuse this function with FirstDerQ.
• See: Section 4.5, Section 1.3.
• See also: DefCovD.
• New in version 0.
• Last update: 14-V-2008 for version 0.9.5 of xTensor`.

Created by Mathematica  (May 16, 2008)