is_list
listSyntax.is_list : (term -> bool)
Tests a term to see if it is a list.
is_list returns true of a term representing a list. Otherwise it
returns false.
Failure
Never fails.
See also
listSyntax.mk_list,
listSyntax.dest_list,
listSyntax.mk_cons,
listSyntax.dest_cons,
listSyntax.is_cons