theorem Th17: :: SCMPDS_8:19

for a being Int_position
for i being Integer
for I being Program of SCMPDS holds
( (while>0 (a,i,I)) . 0 = (a,i) <=0_goto ((card I) + 2) & (while>0 (a,i,I)) . ((card I) + 1) = goto (- ((card I) + 1)) )