Sign (mathematics)
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"Sign (mathematics)" is a title based upon conjecture.
Check the behind the scenes section, the revision history and discussion page for additional comments on this article's title.
In mathematics, sign was the property of being positive, negative, or zero.
E-Space had the quality of being a "negative universe" in contrast to N-Space's positive coordinates. (TV: Full Circle), Warriors' Gate, PROSE: Castrovalva) The Gateway had a zero coordinate value, (TV: Warriors' Gate) as did the planet Time. (TV: War of the Sontarans)
