
theorem Th42:
  for f,x,y,z being object holds InputVertices
  1GateCircStr(<*x,y,z*>,f) = {x,y,z}
proof
  let f, x,y,z be object;
  set p = <*x,y,z*>;
  thus InputVertices 1GateCircStr(p,f) = rng p by CIRCCOMB:42
    .= {x,y,z} by FINSEQ_2:128;
end;
