Helmut - no the relation between the Representamen and the Object
can be in ANY of the three modes [1stness, 2ndness, 3rdness]. Same
with the Representamen-in-itself. And the relation between the
Representamen and the Interpretant can also be in any of the 2 modes.
Check the ten sign cla
Edwina, isn´t mediation (thirdness) a matter of the interpretant (thirdness), not the representamen? Well, I see representamen, object, interpretant as 1ns, 2ns, 3ns, which perhaps you don´t. Ok, representamen is also the sign, which is thirdness, because it includes all. This is difficult. Maybe
