Removed some incorrect axioms.
%ID: $Id$
%Author: Jia Meng, NICTA
%extensionality for full-types
input_clause(a18,axiom,
[--equal(typeinfo(hAPP(typeinfo(F,tc_fun(A,B)),typeinfo(hAPP(typeinfo(hAPP(typeinfo(hEXTENT,tc_fun(tc_fun(A,B),tc_fun(tc_fun(A,B),A))),typeinfo(F,tc_fun(A,B))),tc_fun(tc_fun(A,B),A)),typeinfo(G,tc_fun(A,B))),A)),B),typeinfo(hAPP(typeinfo(G,tc_fun(A,B)),typeinfo(hAPP(typeinfo(hAPP(typeinfo(hEXTENT,tc_fun(tc_fun(A,B),tc_fun(tc_fun(A,B),A))),typeinfo(F,tc_fun(A,B))),tc_fun(tc_fun(A,B),A)),typeinfo(G,tc_fun(A,B))),A)),B)),
++equal(typeinfo(F,tc_fun(A,B)),typeinfo(G,tc_fun(A,B)))]).