Class VT-CONSTRAINT-SENTENCE


Slots on this class:

Documentation:
A VT constraint-sentence is a constraint-sentence with the logical operators, relational constants, and attribute operators restricted as listed below.
Subclass-Of: Constraint-expression

Axioms:

(=> (Vt-Constraint-Sentence ?Sentence)
    (Restricted-Constraint-Sentence ?Sentence
                                    (One-Of 'And
                                            'Or
                                            'Not
                                            '=>
                                            '<=
                                            '<=>)
                                    (One-Of '=
                                            '/=
                                            '<
                                            '>
                                            '=<
                                            '>=
                                            'Member)
                                    Function-Allowed-In-Vt-Constraint
                                    Atomic-Term))