Theorem CompositionSeries.mem_eraseLast_of_ne_of_mem

Modification history

2024-05-30 11:03
Mathlib/Order/JordanHolder.lean
refactor(Order/JordanHolder): use `RelSeries` to implement `CompositionSeries` (#12914) …
Added CompositionSeries.mem_eraseLast_of_ne_of_memView on Github →