CoCalc Shared Filess76_test.sagewsOpen in CoCalc with one click!
Authors: Pierre Relano, William A. Stein
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version()
'SageMath version 7.6, Release Date: 2017-03-25'
L = Posets.DivisorLattice(12) cong = L.congruence([[1, 3]]) print(cong)
{{1, 3}, {2, 6}, {4, 12}}