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Topic: Identity mathematics


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Reverse mathematics is a program in mathematical logic that seeks to determine which axioms are required to prove theore...
The Faculty of Mathematics is one of six faculties of the University of Waterloo in Waterloo, Ontario.
In mathematics, adjoint functors are pairs of functors which stand in a particular relationship with one another.
www.brainyencyclopedia.com /topics/mathematics.html   (8154 words)

  
 Encyclopedia :: encyclopedia : Trigonometric identity   (Site not responding. Last check: 2007-09-30)
In mathematics, trigonometric identities are equations involving trigonometric functions that are true for all values of the occurring variables.
These identities are useful whenever expressions involving trigonometric functions need to be simplified.
An important application is the integration of non-trigonometric functions: a common trick involves first using the substitution rule with a trigonometric function, and then simplifying the resulting integral with a trigonometric identity.
www.hallencyclopedia.com /Trigonometric_identity   (1276 words)

  
 www.ys.sk - english edition
An identity is an equation that is true for all allowed values of the variables involved.
is an identity since it is true for all value of x.
is used instead of = to indicate that a statement is an identity.
www.ys.sk /english/math.php?x=identity   (41 words)

  
 Transitivity Of Identity   (Site not responding. Last check: 2007-09-30)
The transitivity of identity is the logical principle that, if a=b, and b=c, then a=c.
But, ex hypothesi, it is not the whole of me, since I was not F and hence still am not F by transitivity of identity.
The transitivity of identity, for example, applies without qualification to self-identical momentary selves.
www.transitivityofidentity.info   (370 words)

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