Theorem Set.powersetCard.isPretransitive

Modification history

2026-02-02 08:05

Mathlib/GroupTheory/GroupAction/SubMulAction/Combination.lean

feat(GroupTheory/GroupAction/SubMulAction/Combination): primitivity of the permutation action. (#34307) …

Modified Set.powersetCard.isPretransitive View on Github →

2026-01-29 18:04

Mathlib/GroupTheory/GroupAction/SubMulAction/Combination.lean

chore(GroupTheory/GroupAction/SubMulAction/Combination.lean): rename Nat.Combination to Set.powersetCard (#34581) …

Added Set.powersetCard.isPretransitive View on Github →