User contributions for Peter Placzek

A user with 68 edits. Account created on 22 November 2015.
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1 August 2024

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9 September 2022

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21 June 2022

  • 22:2422:24, 21 June 2022 diff hist +219 File:NumberSetinC.svg Added [en] caption: The complex numbers include the real ones, which in turn include the rational ones, which in turn include the integers, which in turn include the natural ones.

7 July 2021

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