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Feb
28
revised Help understanding a theorem on transitivity of a relation
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28
revised Help understanding a theorem on transitivity of a relation
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28
comment Help understanding a theorem on transitivity of a relation
@angryavian Thank you that was helpful. Specifically this comment by Harald Hanche-Olsen: "Since you are looking at a a matrix representation of the relation, an easy way to check transitivity is to square the matrix. The relation is transitive if and only if the squared matrix has no nonzero entry where the original had a zero. (If you don't know this fact, it is a useful exercise to show it.)"
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