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Def cube.head

Modification history

2023-06-05 06:26
src/topology/homotopy/homotopy_group.lean
feat(topology/homotopy/homotopy_group): `group` and `comm_group` instances for `π_n` (#15681) …
Deleted cube.headView on Github →
2022-07-19 01:02
src/topology/homotopy/homotopy_group.lean
feat(topology/homotopy): define nth homotopy group πₙ (without the group instance) (#14724) …
Added cube.headView on Github →