Disambiguation evidence for Morse–Kelley set theory by class–set distinction via surface form

"Morse–Kelley set theory (in proof-theoretic strength)"


As object (1)

Triples where some other subject referred to this entity as "Morse–Kelley set theory (in proof-theoretic strength)".

von Neumann–Bernays–Gödel set theory isWeakerThan
"Morse–Kelley set theory (in proof-theoretic strength)"