<bicond>

<bicond> (bi-conditional feature-structure constraint) defines a biconditional feature-structure constraint; both consequent and antecedent are specified as feature structures or groups of feature structures; the constraint is satisfied if both subsume a given feature structure, or if both do not. 18.11 Feature System Declaration
組件iso-fs — 18 Feature Structures
屬性
屬於fsConstraints
可包含
iso-fs: f fs iff
宣告
element bicond { att.global.attributes, ( ( fs | f ), iff, ( fs | f ) ) }
註
May contain two feature structures or feature-structure groups, separated by an empty <iff> element.