Kronecker’s finitism

E100231

Kronecker’s finitism is a philosophical and mathematical stance asserting that only finite, constructible mathematical objects and proofs are legitimate, rejecting the existence of actual infinities.

All labels observed (2)

Label Occurrences
Kronecker’s finitism canonical 1
constructivism in mathematics 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf mathematical foundational stance ⓘ
philosophy of mathematics position ⓘ
accepts explicit constructions in proofs ⓘ
finite sequences of integers ⓘ
natural numbers as finite objects ⓘ
associatedWith Kronecker’s finitism self-linksurface differs ⓘ
surface form: constructivism in mathematics

intuitionism in mathematics ⓘ
contrastsWith Platonism ⓘ
surface form: Platonism in mathematics

formalism that allows ideal infinite objects ⓘ
logicism in mathematics ⓘ
corePrinciple infinite sets are not completed objects ⓘ
mathematical existence requires explicit construction ⓘ
only finite, effectively constructible objects are legitimate ⓘ
criticizes non-constructive existence theorems in classical analysis ⓘ
use of completed infinite sets in analysis ⓘ
differsFrom Hilbert’s finitism by stronger rejection of ideal elements ⓘ
domain foundations of analysis ⓘ
foundations of arithmetic ⓘ
emphasizes constructible mathematical objects ⓘ
finite mathematical objects ⓘ
epistemicAttitude mathematical knowledge must be grounded in finite operations ⓘ
focusesOn arithmetic rather than abstract set-theoretic entities ⓘ
historicalContext 19th-century debates on foundations of analysis ⓘ
early criticism of transfinite methods ⓘ
historicallyArticulatedBy Leopold Kronecker’s writings and remarks ⓘ
influenced later constructive and finitist schools ⓘ
influencedBy Leopold Kronecker’s arithmeticism ⓘ
influencedDiscussionOf legitimacy of transfinite numbers ⓘ
role of constructive methods in mathematics ⓘ
motivatedBy desire for arithmetic foundations of mathematics ⓘ
suspicion of non-constructive methods ⓘ
namedAfter Leopold Kronecker ⓘ
opposes set theory ⓘ
surface form: Cantorian set theory

classical set theory with actual infinities ⓘ
unrestricted use of the law of excluded middle in infinite contexts ⓘ
philosophicalClaim mathematics is grounded in the intuition of finite integers ⓘ
only computable or effectively given objects are acceptable ⓘ
rejects actual infinities ⓘ
completed infinite totalities ⓘ
non-constructive existence proofs ⓘ
relatedTo Hilbert’s finitism (as a later, distinct development) ⓘ
finitism in proof theory ⓘ
stanceOnProofs prefers algorithmic or constructive proofs ⓘ
rejects proofs that assert existence without construction ⓘ
viewOnInfinity accepts only potential infinity, not actual infinity ⓘ
viewOnRealNumbers skeptical of non-constructively defined real numbers ⓘ
viewOnSets accepts only finite sets as completed objects ⓘ

How these facts were elicited

Referenced by (2)

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

Leopold Kronecker → notableIdea → Kronecker’s finitism ⓘ
Kronecker’s finitism → associatedWith → Kronecker’s finitism self-linksurface differs ⓘ
this entity surface form: constructivism in mathematics