/sci/ - Science & Math

Anonymous Fri Apr 5 09:19:13 2019 No.10523958 [DELETED]

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If .999.... and 1 are the same, such that there is no situation in which .999...=/=1, and outside of equations .999... serves no distinct linguistic function such that it is distinct from 1, for what reason and purpose does the symbol .999... exist? It seems wholly unparsimonious to include in a numerical system a symbol which has the sole function of being erased and replaced with another symbol whenever it is written. What functional role does the symbol .999... serve which justifies its inclusion in mathematics?

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/sci/ - Science & Math

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