theorem Th24:
  for f being FinSequence holds Rev(<*p*>^f) = Rev f ^ <*p*>
proof
  let f be FinSequence;
  thus Rev(<*p*>^f) = Rev f ^ Rev<*p*> by FINSEQ_5:64
    .= Rev f ^ <*p*> by FINSEQ_5:60;
end;
