Peano axioms (Q842755)
axiomatic system for the natural numbers
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Current Data About Peano axioms
(P31) (Q792542)
(P138) (Q191029)
(Q76556)
(P361) (Q49938)
(P527) (Q54500890)
(P2534) \begin{aligned}&\exists x\not\exists y\colon y^+=x\\&\forall x\forall y\colon x^+=y^+\implies x=y\\&\phi(0)\land(\forall n\colon\phi(n)\implies\phi(n^+))\implies\forall n\colon\phi(n)\end{aligned}
(P2670) (Q17736)
(P6104) (Q8487137)
other details
aliases Dedekind–Peano axioms
Peano postulates
description axiomatic system for the natural numbers

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