Tag
congruence
2 resources tagged “congruence” across the knowledge library.
2 items
Guide6 Aug 2026Congruences and Quotient AlgebrasCongruences as equivalence relations compatible with the operations, the construction of quotient algebras, and why congruences rather than subobjects are the general quotient device.5 min readRead MoreGuide6 Aug 2026Equivalence Relations and the Partition LatticeThe lattice of equivalence relations on a set, its identification with the partition lattice, why joins require alternating composites, and permutability as the condition that makes joins easy.5 min readRead More