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    • Proof-support

    Constraint-satp-to-definition-satp

    Proof rule to turn relation constraint satisfaction to definition satisfaction.

    This is useful for compostional reasoning, as mentioned in proof-support.

    Definitions and Theorems

    Theorem: constraint-satp-to-definition-satp

    (defthm constraint-satp-to-definition-satp
     (implies
      (and
         (primep p)
         (assignmentp asg)
         (assignment-wfp asg p)
         (constraint-case constr :relation)
         (no-duplicatesp-equal
              (definition->para
                   (lookup-definition (constraint-relation->name constr)
                                      defs))))
      (b* ((vals (eval-expr-list (constraint-relation->args constr)
                                 asg p)))
        (implies
             (not (reserrp vals))
             (equal (constraint-satp constr defs asg p)
                    (definition-satp (constraint-relation->name constr)
                                     defs vals p))))))