Revision #881 → #1461 · back to history
addedPartition of a set (informal)d09f4531aa46
addedEquivalence relations correspond to partitionsa71b1e6b8d36
addedPartition of a set X6de19afa6af0
addedEquivalent conditions for a partitione20d636a91ff
addedBlocks/parts/cells of a partitionceaf12d612e6
addedPartition identified with equivalence relation413f4d882051
addedPartition of the empty setc1697a87c36d
addedTrivial partitionb8d657ca3299
addedPartition by subset and complement7a1d47058bd6
addedFive partitions of {1,2,3}f3bab858e32b
addedNon-partitions of {1,2,3}b7ca57eb9c03
addedEquivalence classes form a partition1d31ecf2a0c3
addedAxiom of choice and transversal23592a651413
addedRefinement of a partition1b1b65d64ce0
addedPartition lattice94a209cf848b
addedMeet and join of partitionsd9daf3e4c343
addedLattice of partitions and graphic matroid2e40e2b9736b
addedCard deck refinemente4ab6118f4fc
addedNoncrossing partitionaf82129a59ac
addedNoncrossing partition lattice is not a sublatticef3cce9978a60
addedBell number counts partitionsc37e48b6b6ef
addedStirling number of the second kindf4e1f057ee62
addedCatalan number counts noncrossing partitions20e24813d3a6