LOGIC (MS 339-1009)
The reason for not giving abstract definitions of the conceptions of Firstness, Secondness, and Thirdness. A denial that the One of Parmenides, the unity of "I think," or any other unities discussed by philosophers have anything at all to do with Firstness.
Categories, Firstness (see also Categories; Feeling; Monad; Quality), Parmenides, Secondness (see also Categories; Effort; Reaction), Thirdness
LOGIC / CATEGORIOLOGY