Definition:Infinity/Historical Note

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Historical Note on Infinity

The concept of infinity has bothered scientists, mathematicians and philosophers since the time of Aristotle.

The symbol $\infty$ for infinity was introduced by John Wallis in the $17$th century.

It was Georg Cantor in the $1870$s who finally made the bold step of positing the actual existence of infinite sets as mathematical objects which paved the way towards a proper understanding of infinity.