reserve X for set;
reserve a,b,c,k,m,n for Nat;
reserve i,j for Integer;
reserve r,s for Real;
reserve p,p1,p2,p3 for Prime;
reserve z for Complex;

theorem Th40:
  17 divides (34*k+12)|^(2|^3) + 1
  proof
    17 divides (17*(2*k)+12)|^(2|^3) + 1 by Th34,Lm36;
    hence thesis;
  end;
