I couldn't understand the first line. If you must use obscure undefined notation such as "maximally permissive" and "head", please cite an introductory text where the reader might find them explained. It remains obscure to me both what statement you intended to prove, and where your claimed proof starts and finishes. WFL On Sun, Sep 29, 2019 at 12:53 AM Brad Klee <bradklee@gmail.com> wrote:
Here is an excerpt from one of my unpublished manuscripts:
https://github.com/bradklee/Docs/blob/master/CatalanExcerpt.pdf
It describes a derivation of the Catalan numbers, which I have not seen elsewhere. Does this proof work for everyone? Has anyone seen it written down elsewhere? How do you think it compares to using André's reflection method?
Thanks --Brad
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