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A strong link exists between 2 candidates when one of them must be true. Strong links can be present in bivalue cells, in bilocal units and in Almost Locked Sets.
For candidates A and B which have a strong link, we can make the following logical deductions:
For bivalue cells and bilocal units, a strong link also enforces a weak link.This page was last modified 12:17, 13 June 2007.