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Theorem linear_map.finrank_le_finrank_of_injective

Modification history

2023-04-12 09:52
src/linear_algebra/free_module/finite/rank.lean
feat(linear_algebra/free_module/finite/rank): remove `module.free` assumption (#18792) …
Modified linear_map.finrank_le_finrank_of_injectiveView on Github →
2023-04-08 13:17
src/linear_algebra/finite_dimensional.lean
feat(linear_algebra/matrix/rank): generalize to rings (#18748) …
Modified linear_map.finrank_le_finrank_of_injectiveView on Github →
2021-04-24 15:20
src/linear_algebra/finite_dimensional.lean
refactor(*): rename `semimodule` to `module`, delete typeclasses `module` and `vector_space` (#7322) …
Added linear_map.finrank_le_finrank_of_injectiveView on Github →