E.Z. Nemesszeghy

Nemesszeghy, E. Z. and Nemesszeghy, E. A. 1971. “Is \(p \subset q:= \neg p \vee q\) a Proper Definition in the System of the Principia Mathematica?” Mind 80: 282–283.

Nemesszeghy, E. Z. and Nemesszeghy, E. A. 1973. “On the Creative Role of the Definition \(p \subset q:= \neg p \vee q\) in the System of the Principia Mathematica?” Mind 82: 613–616.

Nemesszeghy, E. Z. and Nemesszeghy, E. A. 1977. “On Strongly Creative Definitions: A Reply to V.F. Rickey [Rickey (1975)].” Logique et Analyse 20(77–78): 111–115.

Rickey, V. Frederick. 1975. “On Creative Definitions in the Principia Mathematica.” Logique et Analyse 18(69–70): 175–182.