Knaster-Tarski theorem
Zermelo-Fraenkelian
rule
setlike
structure
perfect
morphology
formula
set-builder notation
mathematicistic
domain
algebraic structure
moonshine
set function
disjoint union
underlying set
represent
mathematicize
discrete topology
Zermelo-Fraenkel set theory
algebraically
semicreative
cat's whisker receiver
creative
crystal radio receiver
mathematical notation
multiformula
superset
crystal radio
stack
productive
nonconvexity
fundamentalism
wallpaper group
arithmetic
mathetic
plethysm
mathematical morphology
direct product
series
cofinite topology
ring theory
topological space
quasimeasure
Cartesian product
constant