Theorems · Theorem · group theory
AddLeftCancelMonoid.add_eq_zero
∀ {α : Type u} [inst : AddLeftCancelMonoid α] [Subsingleton (AddUnits α)] {a b : α}, a + b = 0 ↔ a = 0 ∧ b = 0- Defined in
- Mathlib.Algebra.Group.Units.Basic
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 10 from the axioms · uses propext
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- add_zeroproof · cited by 2,707
- AddUnitsstatement and proof · cited by 325
- AddLeftCancelMonoidstatement and proof · cited by 37
- AddLeftCancelMonoid.eq_zero_of_add_rightproof · cited by 3
- AddLeftCancelMonoid.eq_zero_of_add_leftproof · cited by 2
Cited by4
Results whose statement or proof uses this declaration.
- FreeAddSemigroup.toFreeAddMonoid_ne_zeroproof · cited by 1
- AddLeftCancelMonoid.add_ne_zeroproof · cited by 1
- AddSubmonoid.closure_addIrreducibleproof · cited by 0
- add_eq_zero'proof · cited by 0