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Re-extending Chebyshev’s theorem about Bertrand’s conjecture

✍ Scribed by A. Shams

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📜 SIMILAR VOLUMES

A short proof of a theorem of dirac's ab

✍ D. R. Woodall 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 105 KB 👁 1 views

## Abstract A Short proof is given of the theorem that every grph that does not have __K__~4~ as a subcontraction is properly vertex 3‐colorable.