for p being Instruction-Sequence of SCM+FSA
for s being State of SCM+FSA
for N, result being read-write Int-Location st N <> result holds
for n being Element of NAT st n = s . N holds
( (IExec ((Fusc_macro (N,result)),p,s)) . result = Fusc n & (IExec ((Fusc_macro (N,result)),p,s)) . N = n )