| 41. | The 1954 paper provided the first proof of the existence of a general equilibrium, using Kakutani's fixed point theorem.
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| 42. | For example, in 1955, he gave the world's first proof of the theorem would not deny it.
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| 43. | The first proof appeared in a 1987 book by Jonathan and Peter Borwein, where they reconstructed Ramanujan work on the subject.
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| 44. | The Mint pressed two first proof samples on, when the Romanovs had already resolved the succession crisis in favor of Nicholas.
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| 45. | For 10 years the experts have suspected that a gene was a factor in bed-wetting but this is the first proof.
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| 46. | The paper " provides the first proof that reprogrammed human cells can supply tissue for transplantation, " the company said.
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| 47. | "This is the first proof that the Hasmoneans lived and were buried at this site, " said Efrat Orbach.
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| 48. | It is the first proof that the hostages, kidnapped by the Revolutionary Armed Forces of Colombia, or FARC, are alive.
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| 49. | The voice recording would be the first proof that al-Zawahri survived U . S . bombing in Afghanistan launched a year ago.
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| 50. | The video, aired on RCN and Caracol TV, was the first proof that the four Israeli and three European hostages were alive.
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