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December 24, 2016 / porton

A new counter-example

Example There is such a non-symmetric reloid f that (\mathsf{FCD})f is symmetric.

Take f=((\mathsf{RLD})_{\mathrm{in}}(\mathord{=})|_{\mathbb{R}})\sqcap (\mathord{\geq})_{\mathbb{R}}.

I have added this to my online book.

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