|6380||Volume 22||1962||6381||Volume 22||26-Feb-62|
Summary: Organisation and redundancy should be defined, in set theory, as [RR-1'R].
Summary: [RR-1'R≠0] is a sensitive test for the existence of constraint, but [RR-1'R] does not equal it.
Constraint in set theory
Organisation in set theory 5532 5993
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