nnf expression
NNF expression
This is a synonym for necessary normal form expression.
necessary normal form expression
The necessary normal form expression represents the inferred view of an expression including all the relationships that are necessarily true, with redundancy removed. It is created from the output of the process of classifying the classifiable form expression with a predefined version of SNOMED CT.
The necessary normal form expression represents the relationships used for querying and data analytics over the expression.
Notes
It includes refinements that represent inferred relationships
It does not include any redundant refinements or redundant relationship groups
Alternatives
NNF expression
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