mk_cons : {hd :term, tl :term} -> term
STRUCTURE
SYNOPSIS
Constructs a CONS pair.
DESCRIPTION
mk_cons{hd = t, tl = `[t1;...;tn]`} returns `[t;t1;...;tn]`.
FAILURE
Fails if tl is not a list or if hd is not of the same type as the elements of the list.
SEEALSO
HOL  Kananaskis-10