
theorem :: COROLLARY 4.8.a)
  for L be arithmetic lower-bounded LATTICE, p be Element of L holds p
  is pseudoprime implies p is prime
proof
  let L be arithmetic lower-bounded LATTICE;
  let p be Element of L;
  L-waybelow is multiplicative by Th20;
  hence thesis by WAYBEL_7:45;
end;
