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is_sbds_var(?Var)
checks whether a variable is an SBDS variable
- Var
- Variable to check
Description
	Succeeds if and only if Var is a variable and has been initialised
	as an SBDS variable (through a call to sbds_initialise/4 or
	sbds_initialise/5).
Fail Conditions
Var is not a variable or not an SBDS variable.
See Also
sbds_initialise / 4, sbds_initialise / 5