Theorems · Theorem · logic and foundations
Part.toOption_eq_none
∀ {α : Type u_1} (o : Part α) [inst : Decidable o.Dom], o.toOption = none ↔ ¬o.Dom- Defined in
- Mathlib.Data.Part
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 10 from the axioms · uses propext
- Assumes
- Decidable
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Cites4
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Partstatement and proof · cited by 325
- Part.Domstatement and proof · cited by 145
- Part.getproof · cited by 77
- Part.toOptionstatement · cited by 16
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