take p = ((Start-At (il. 0 )) +* Euclide-Algorithm ) +* ((dl. 0 ),(dl. 1) --> 1,1); :: thesis: ( p is autonomic & not p is NAT -defined )
(dl. 0 ),(dl. 1) --> 1,1 in dom Euclide-Function
by AMI_4:11;
then consider s being FinPartState of SCM such that
A1:
(dl. 0 ),(dl. 1) --> 1,1 = s
and
A2:
((Start-At (il. 0 )) +* Euclide-Algorithm ) +* s is pre-program of SCM
and
Euclide-Function . s c= Result (((Start-At (il. 0 )) +* Euclide-Algorithm ) +* s)
by AMI_1:def 29, AMI_4:13;
thus
p is autonomic
by A1, A2; :: thesis: not p is NAT -defined
take
IC SCM
; :: according to TARSKI:def 3,RELAT_1:def 18 :: thesis: ( IC SCM in dom p & not IC SCM in NAT )
A3:
dom p = (dom ((Start-At (il. 0 )) +* Euclide-Algorithm )) \/ (dom ((dl. 0 ),(dl. 1) --> 1,1))
by FUNCT_4:def 1;
A4:
dom ((Start-At (il. 0 )) +* Euclide-Algorithm ) = (dom (Start-At (il. 0 ))) \/ (dom Euclide-Algorithm )
by FUNCT_4:def 1;
dom (Start-At (il. 0 )) = {(IC SCM )}
by FUNCOP_1:19;
then
IC SCM in dom (Start-At (il. 0 ))
by TARSKI:def 1;
then
IC SCM in dom ((Start-At (il. 0 )) +* Euclide-Algorithm )
by A4, XBOOLE_0:def 3;
hence
IC SCM in dom p
by A3, XBOOLE_0:def 3; :: thesis: not IC SCM in NAT
assume
IC SCM in NAT
; :: thesis: contradiction
hence
contradiction
by AMI_3:4; :: thesis: verum