AIndexQ

• AIndexQ[expr] gives True if expr is recognized as a valid abstract-index and False otherwise.
• AIndexQ[expr, vbundle] gives True if expr is a valid abstract-index belonging to vbundle or to a subvbundle of vbundle.

• Valid expressions are of the form a, -b, a$125.
• See: Section 2.2.
• See also: AbstractIndexQ, ABIndexQ, GIndexQ.
• New in version 0.
• Last update: 24-IX-2007 for version 0.9.3 of xTensor`.

Created by Mathematica  (May 16, 2008)