naive set theory

E361579

Naive set theory is an early, intuitive approach to set theory that treats any definable collection as a set, but is known to be inconsistent due to paradoxes such as Russell’s and Curry’s.

All labels observed (2)

Label Occurrences
naive set theory canonical 3
Naive Set Theory 2

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf foundational theory of mathematics ⓘ
mathematical theory ⓘ
set theory ⓘ
allows unrestricted comprehension ⓘ
assumes for any property there exists a set of all objects having that property ⓘ
basedOn intuitive notion of collection ⓘ
contradicts classical logic when combined with unrestricted comprehension ⓘ
formalismIncludes membership relation ⓘ
set-builder notation ⓘ
hasAlternativeName informal set theory ⓘ
hasFeature informal reasoning about membership ⓘ
no distinction between sets and proper classes ⓘ
unrestricted formation of subsets by properties ⓘ
hasGoal provide a simple basis for talking about collections in mathematics ⓘ
historicallyPreceded axiomatic set theory ⓘ
influenced Zermelo set theory ⓘ
Zermelo–Fraenkel set theory ⓘ
class theory ⓘ
development of axiomatic set theories ⓘ
type theory ⓘ
isContrastedWith Quine's New Foundations ⓘ
Zermelo–Fraenkel set theory ⓘ
axiomatic set theory ⓘ
von Neumann–Bernays–Gödel set theory ⓘ
isDiscussedIn foundations of mathematics literature ⓘ
introductory logic textbooks ⓘ
isInconsistentBecauseOf Burali-Forti paradox ⓘ
Cantor's paradox ⓘ
linked to: Cantor’s paradox

Curry's paradox ⓘ
linked to: Curry paradox

Russell's paradox ⓘ
linked to: Russell’s paradox
isKnownFor intuitive appeal ⓘ
logical inconsistency ⓘ
simplicity ⓘ
isRelatedTo Frege's Basic Law V ⓘ
Frege's system in Grundgesetze der Arithmetik ⓘ
isUsedFor motivating axiomatic restrictions in modern set theory ⓘ
isUsedIn informal mathematical practice ⓘ
introductory expositions of set theory ⓘ
leadsTo self-referential definitions of sets ⓘ
motivated distinction between sets and proper classes ⓘ
introduction of replacement axiom ⓘ
introduction of separation axiom ⓘ
permits set of all sets ⓘ
set of all sets that do not contain themselves ⓘ
treatsAsSet any collection of objects satisfying a property ⓘ
any definable collection ⓘ
usesPrinciple comprehension schema ⓘ
wasUnderminedBy Russell's discovery of his paradox ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Curry paradox → arisesIn → naive set theory ⓘ
set theory → hasAxiomSystem → naive set theory ⓘ
Zermelo set theory → basedOn → naive set theory ⓘ
Paul Halmos → notableWork → Naive Set Theory ⓘ
linked to: naive set theory
Paul Halmos → notableWork → Naive Set Theory ⓘ
subject linked to: Halmos
linked to: naive set theory