theorem ::SCMPDS_5:37
  for s being 0-started State of SCMPDS
  for I being halt-free Program of SCMPDS,J being shiftable Program of
SCMPDS st I is_closed_on s,P & I is_halting_on s,P
 & J is_closed_on IExec(I,P,s),P & J
  is_halting_on IExec(I,P,s),P
holds LifeSpan(P+*stop(I ';' J),s) =
 LifeSpan(P +* stop I,s) +
  LifeSpan(P +* stop I +* stop J,
  Initialize Result(P +* stop I,s)) by Lm1;
