list_mk_forall
boolSyntax.list_mk_forall : term list * term -> term
Iteratively constructs a universal quantification.
list_mk_forall([x1,...,xn],t) returns !x1 ... xn. t.
Failure
Fails if the terms in the list are not variables or if t is not of
type bool and the list of terms is non-empty. If the list of terms is
empty the type of t can be anything.