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March 27, 2010 / porton

False proof of an open problem

I earlier proclaimed that I positively solved this conjecture:

Conjecture f\cap^{\mathsf{FCD}} g = f\cap g for every binary relations f and g.

There were error in my proof and I deleted it. See the draft of Funcoids and Reloids article for details on the current state of the problem.

2 Comments

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  1. porton / Jun 9 2010 16:34

    A counter-example for this conjecture appears in the appendix “Some counter-examples” of the last version of Funcoids and Reloids article.

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  1. A counterexample against “Meet of discrete funcoids is discrete” « Victor Porton's Math Blog

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