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Zermelo–Fraenkel set theory (ZF)
URI:
https://gptkb.org/entity/Zermelo–Fraenkel_set_theory_(ZF)
GPTKB entity
Statements (50)
Predicate
Object
gptkbp:instanceOf
gptkb:set_theory
gptkbp:abbreviation
gptkb:ZF
gptkbp:category
formal semantics
gptkbp:consistency
cannot be proven within ZF (by Gödel's incompleteness theorems)
gptkbp:excludes
gptkb:Axiom_of_Choice
gptkbp:extendsTo
gptkb:Zermelo–Fraenkel_set_theory_with_Choice_(ZFC)
gptkbp:field
gptkb:mathematics
gptkb:set_theory
gptkbp:formedBy
early 20th century
gptkbp:hasAxiom
gptkb:Axiom_of_Empty_Set
gptkb:Axiom_of_Extensionality
gptkb:Axiom_of_Infinity
gptkb:Axiom_of_Pairing
gptkb:Axiom_of_Power_Set
gptkb:Axiom_of_Regularity
gptkb:Axiom_of_Replacement
gptkb:Axiom_of_Separation
gptkb:Axiom_of_Union
gptkbp:hasModel
gptkb:constructible_universe_(L)
https://www.w3.org/2000/01/rdf-schema#label
Zermelo–Fraenkel set theory (ZF)
gptkbp:influencedBy
gptkb:Ernst_Zermelo
gptkb:Thoralf_Skolem
gptkb:Abraham_Fraenkel
gptkbp:isFoundationFor
gptkb:logic
gptkb:category_theory
gptkb:set-theoretic_topology
abstract algebra
functional analysis
measure theory
model theory
modern mathematics
number theory
theoretical computer science
combinatorics
real analysis
gptkbp:language
gptkb:first-order_logic
gptkbp:namedAfter
gptkb:Ernst_Zermelo
gptkb:Abraham_Fraenkel
gptkbp:prevention
gptkb:Russell's_paradox
gptkbp:relatedTo
gptkb:Morse–Kelley_set_theory
gptkb:Peano_axioms
gptkb:Von_Neumann–Bernays–Gödel_set_theory
gptkbp:replacedBy
gptkb:naive_set_theory
gptkbp:standardFormulation
8 or 9 axioms
gptkbp:usedFor
foundation of mathematics
gptkbp:bfsParent
gptkb:Zermelo–Fraenkel_set_theory_with_the_axiom_of_choice_(ZFC)
gptkb:ZFC_(with_choice)
gptkb:Zermelo–Fraenkel_set_theory_with_choice_(ZFC)
gptkb:Axiom_of_Collection
gptkbp:bfsLayer
6