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2.1 Symbolic names

Symbolic name consists of alphabetic and numeric characters, the first of which must be alphabetic. All symbolic names are distinct (case sensitive).

Examples

 
alpha123
This_is_a_name
_P123_abc_321

Symbolic names are used to identify model objects (sets, parameters, variables, constraints, objectives) and dummy indices.

All symbolic names (except names of dummy indices) must be unique, i.e. the model description must have no objects with the same name. Symbolic names of dummy indices must be unique within the scope, where they are valid.


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