Abstract
The existence and uniqueness of a maximum point for a continuous real—valued function on a metric space are investigated constructively. In particular, it is shown, in the spirit of reverse mathematics, that a natural unique existence theorem is equivalent to the fan theorem.
Citation
Josef Berger. Douglas Bridges. Peter Schuster. "The fan theorem and unique existence of maxima." J. Symbolic Logic 71 (2) 713 - 720, June 2006. https://doi.org/10.2178/jsl/1146620167
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