LOGIC (MS 339-1009)
An attempt to state the main results of the work of Augustus De Morgan and A. B. Kempe. The remainder of the paper is fragmentary but involves, in part, a statement and proof of the principles of nonrelative logic; for example, those of identity, modus ponens, and commutation.
Commutation, DeMorgan Augustus, principle of identity (see also Laws of thought), Kempe Alfred Bray, Logic (modal see Modality), Modus ponens, Relatives logic of
LOGIC / LOGICAL ALGEBRA