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Result defined by a formula:

Letf(x_{0}, ...,x_{n-1}) betheysuch thatF.

Translation:

f(x_{0}, ...,x_{n-1}) :=suchy:F

Plus *claim* (to be proved):

( forallx_{0}, ...,x_{n-1},y:F=>y=f(x_{0}, ...,x_{n-1})).

*Unicity has to be proved separately!*

Author: Wolfgang Schreiner

Last Modification: October 14, 1999