data.truthValue

data.truthValue defines the range of attribute values used to express a truth value.
Moduletei — 1 The TEI Infrastructure
Declaration
data.truthValue = xsd:boolean
Note
This datatype applies only for cases where uncertainty is inappropriate; if the attribute concerned may have a value other than true or false, e.g. "unknown", or "inapplicable", it should have the extended version of this datatype: data.xTruthValue