let N be with_non-empty_elements set ; for s being State of (Trivial-AMI N)
for i being Instruction of (Trivial-AMI N) holds Exec (i,s) = s
set T = Trivial-AMI N;
let s be State of (Trivial-AMI N); for i being Instruction of (Trivial-AMI N) holds Exec (i,s) = s
let i be Instruction of (Trivial-AMI N); Exec (i,s) = s
set f = NAT .--> NAT;
A1:
product the Object-Kind of (Trivial-AMI N) = product (NAT .--> NAT)
by Def1;
reconsider ss = s as Element of product the Object-Kind of (Trivial-AMI N) by CARD_3:107;
the Instructions of (Trivial-AMI N) = {[0,{},{}]}
by Def1;
then
( (i .--> (id (product (NAT .--> NAT)))) . i = id (product (NAT .--> NAT)) & i = [0,{},{}] )
by FUNCOP_1:72, TARSKI:def 1;
hence Exec (i,s) =
(id (product (NAT .--> NAT))) . ss
by Def1
.=
s
by A1, FUNCT_1:18
;
verum