Mostowski collapsing lemma

GPTKB entity

Statements (15)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
gptkbp:appliesTo well-founded extensional relations
gptkbp:field gptkb:set_theory
gptkbp:firstPublished 1949
https://www.w3.org/2000/01/rdf-schema#label Mostowski collapsing lemma
gptkbp:namedAfter gptkb:Andrzej_Mostowski
gptkbp:relatedTo gptkb:Mostowski_collapse
transitive set
well-founded relation
extensionality
gptkbp:sentence Every well-founded extensional relation is isomorphic to the membership relation on a unique transitive set.
gptkbp:usedIn model theory
set-theoretic constructions
gptkbp:bfsParent gptkb:Mostowski_collapse
gptkbp:bfsLayer 6