set theoretically
set
sets
set-theoretic
Zermelo set theory
set theory
NBG
Grothendieck universe
sethood
axiom of infinity
Zermelo-Fraenkelian
Zorn's lemma
greedoid
axiom of union
diffeology
determinate
phraseology
fixed set
theorizing
setwise
forcing
hyperstructure
well-order
fixedly
theorisation
mold
axiom of power set
algebraic structure
axiom of regularity
directed
axiom of choice
Cantorian
definitionism
order type
subset classifier
indurate
axiom of pairing
in principle
theorize
Zermelo-Fraenkel set theory
Cantor's theorem
logically
hinge
Platonic
regular
inwrought
crystal radio
crystallised
Besicovitch set
cat's whisker receiver