Mathlib v3 is deprecated. Go to Mathlib v4

Theorem set.exists_mem_not_mem_of_ncard_lt_ncard

Modification history

2023-05-30 14:04
src/data/set/ncard.lean
feat(data/set/ncard): noncomputable set cardinality (#18576) …
Added set.exists_mem_not_mem_of_ncard_lt_ncardView on Github →