A Theorem of Legendre in IDelta₀+Ω₁
classification
🧮 math.LO
keywords
deltalegendreomegatheoremarithmeticclassicaldiophantineequations
read the original abstract
We prove a classical theorem due to Legendre, about the existence of non trivial solutions of quadratic diophantine equations of the form $ax^2+by^2+cz^2=0$, in the weak fragment of Peano Arithmetic $I\Delta_0+\Omega_1$.
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