Overview Schemas Index

set_theory_schema         

ENTITY union;
          id : identifier;
          name : label;
          description : OPTIONAL text;
          operand : SET [2:?] OF class;
          resultant : class;
END_ENTITY; -- union

Entity data types and their attributes

union
          id: identifier;
          name: label;
          (OPT) description: text;
          operand: SET [2:?] OF class;
          resultant: class;

Users: by entity attributes

union

Users: by defined types, not used by any entity attribute

union
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Global rules for this entity data type

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