mk_conslistSyntax.mk_cons : term * term -> term
Constructs a CONS pair.
mk_cons (``t``, ``[t1;...;tn]``) returns
``[t;t1;...;tn]``.
Fails if the second element is not a list or if the first element is not of the same type as the elements of the list.
listSyntax.dest_cons,
listSyntax.is_cons,
listSyntax.mk_list,
listSyntax.dest_list,
listSyntax.is_list