Theorem Set.mem_symmDiff

Modification history

2026-06-02 04:58
Mathlib/Data/Set/SymmDiff.lean
feat: `x ∈ s ⇨ t ↔ x ∈ s → x ∈ t` (#40133) …
Modified Set.mem_symmDiffView on Github →
2026-01-26 09:39
Mathlib/Data/Set/SymmDiff.lean
feat: lemmas about `symmDiff` and finite sums (#34410) …
Modified Set.mem_symmDiffView on Github →
2024-10-28 06:12
Mathlib/Data/Set/Basic.lean
chore: split Data.Set.Basic (#18317) …
Modified Set.mem_symmDiffView on Github →
2022-12-12 01:34
Mathlib/Data/Set/Basic.lean
feat: port Data.Set.Basic (#892) …
Added Set.mem_symmDiffView on Github →