Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2023-05-25 02:59 10878f6b

View on Github →

feat(linear_algebra/span): generalise to_span_nonzero_singleton (#19082)

Estimated changes

Modified src/linear_algebra/span.lean

modified def linear_equiv.coord

added theorem linear_equiv.coord_apply_smul

modified theorem linear_equiv.coord_self

modified def linear_equiv.to_span_nonzero_singleton

modified theorem linear_equiv.to_span_nonzero_singleton_one

modified theorem linear_map.ker_to_span_singleton