Mathematical Symbols

Van Vertloo, Brian J. (UMR-Student) bjv6xc at UMR.EDU
Wed Feb 19 21:13:37 UTC 2003

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Some mathematical symbols are similar to letters of the alphabet, but are not exact representations.  For example, the existential quantifier is represented as a backwards capital E, and the universal quantifier is an upside-down capital A.  Can anyone help me with the origin of these symbols, and do they have any connection with the letters to which they are similar?

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