YT2095 Posted September 26, 2004 Posted September 26, 2004 I`ve seen it alot in Physics, called Theta, I don`t rem what it was about though.
Daymare17 Posted November 29, 2004 Posted November 29, 2004 How odd - the Mayans invented the 0 but never invented the wheel
CPL.Luke Posted December 24, 2004 Posted December 24, 2004 when did number systems featuring zero arrive in europe? and how did the romans get by without a number to signify zero?
matt grime Posted December 24, 2004 Posted December 24, 2004 The empty Set symbol is a capital letter phi, I looked it up. Usually the symbols for the empty set, whilst looking like phi's are not actually phi
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