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jeangenie
on Oct 5, 2012
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New comet might blaze brighter than the full Moon
FYI the Greeks didn't have negative numbers. Philosophers were still arguing whether zero could truly be a number (there wasn't really a need for zero as a placeholder regardless, Greek numerals don't have a positional aspect).
Source:
http://www-history.mcs.st-and.ac.uk/HistTopics/Greek_numbers...
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Source: http://www-history.mcs.st-and.ac.uk/HistTopics/Greek_numbers...