reserve p for preProgram of SCM+FSA,
  ic for Instruction of SCM+FSA,
  i,j,k for Nat,
  fa,f for FinSeq-Location,
  a,b,da,db for Int-Location,
  la,lb for Nat;
reserve p1,p2,q for Instruction-Sequence of SCM+FSA;
reserve n for Nat;

theorem Th15:
  for i1,i2,i3 be Instruction of SCM+FSA holds card (i1 ";" i2 ";" i3)=6
proof
  let i1,i2,i3 be Instruction of SCM+FSA;
  thus card (i1 ";" i2 ";" i3) = card (i1 ";" i2) + 2 by SCMFSA6A:34
    .= 4 +2 by SCMFSA6A:35
    .= 6;
