ValidateSymbolInSession

• ValidateSymbolInSession[symbol] throws an error if symbol is already used in this session as a constant-symbol, parameter, manifold, vbundle, abstract-index, tensor (or metric), covariant derivative, basis (or chart), inert-head or scalar-function. Otherwise it gives Null.

• This function is used by all DefType commands.
• ValidateSymbolInSession has attribute HoldFirst.
• See: Section 1.2.
• See also: ValidateSymbol.
• New in version 0.
• Last update: 14-V-2008 for version 0.9.5 of xTensor`.

Further Examples

Created by Mathematica  (May 16, 2008)