Theorems · Theorem · logic and foundations
Symmetric.iff
Deprecated since 2026-06-10Use Std.Symm.iff instead.
∀ {α : Type u_1} {r : α → α → Prop} [Std.Symm r] (x y : α), r x y ↔ r y xAlias of Std.Symm.iff.
- Defined in
- Mathlib.Logic.Relation
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 5 from the axioms · uses no axioms
- Assumes
- Std.Symm
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- Std.Symm.iffproof · cited by 8
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