perfect
perfect set
Cantor-Bendixson theorem
copunctual
pole
neighborhood
diffeology
convex set
configuration
quotient set
σ-finite measure
Kolmogorov
characteristic function
indicator function
anticonfined
locus
computable
fixed point
set theory
lexicographic order
uniformly continuous
analytic function
integers
support
normalize
equate
Sylvester-Gallai theorem
mathematical group
group
complement
level pegging
cushion
extreme point
complex projective line
Gröbner basis
translate
setoid
discrete metric
quasiconcave
interval
Möbius function
set-theoretic difference
saddle point
convex
Lindelöf covering theorem
Caccioppoli set
compact
point function
Eisenstein integer
cardinal number