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14974 | A relation is 'Euclidean' if aRb and aRc imply bRc [Cresswell] |
Full Idea: A relation is 'Euclidean' if aRb and aRc imply bRc. | |
From: Max J. Cresswell (Modal Logic [2001], 7.1.2) | |
A reaction: If a thing has a relation to two separate things, then those two things will also have that relation between them. If I am in the same family as Jim and as Jill, then Jim and Jill are in the same family. |