Theorem PSet.not_subset_of_mem

Modification history

2025-03-27 04:48
Mathlib/SetTheory/ZFC/Basic.lean
chore: split `SetTheory.ZFC.Basic` (#23354) …
Modified PSet.not_subset_of_memView on Github →
2024-12-15 00:11
Mathlib/SetTheory/ZFC/Basic.lean
feat(SetTheory/ZFC/Basic): `x ∈ y → ¬ y ⊆ x` (#19967)
Added PSet.not_subset_of_memView on Github →