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  2. Mathematical proof - Wikipedia

    en.wikipedia.org/wiki/Mathematical_proof

    The word proof derives from the Latin probare 'to test'; related words include English probe, probation, and probability, as well as Spanish probar 'to taste' (sometimes 'to touch' or 'to test'), [5] Italian provare 'to try', and German probieren 'to try'.

  3. The Story of Maths - Wikipedia

    en.wikipedia.org/wiki/The_Story_of_Maths

    The Story of Maths is a four-part British television series outlining aspects of the history of mathematics.It was a co-production between the Open University and the BBC and aired in October 2008 on BBC Four.