Theorems · Theorem · category theory
AddCommGrpCat.subsingleton_of_isZero
∀ {G : AddCommGrpCat}, CategoryTheory.Limits.IsZero G → Subsingleton ↑G- Defined in
- Mathlib.Algebra.Category.Grp.Zero
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 21 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- AddCommGrpCatstatement and proof · cited by 462
- AddCommGrpCat.carrierstatement · cited by 407
- CategoryTheory.Limits.IsZerostatement and proof · cited by 306
- AddEquiv.toEquivproof · cited by 174
- AddCommGrpCat.ofproof · cited by 97
- Equiv.subsingletonproof · cited by 24
- CategoryTheory.Limits.IsZero.isoproof · cited by 11
- CategoryTheory.Iso.addCommGroupIsoToAddEquivproof · cited by 7
- AddCommGrpCat.isZero_of_subsingletonproof · cited by 4
Cited by4
Results whose statement or proof uses this declaration.
- AddCommGrpCat.isZero_iff_subsingletonproof · cited by 1
- ModuleCat.subsingleton_ext_of_exists_isRegularproof · cited by 1
- ModuleCat.exists_isRegular_of_exists_subsingleton_extproof · cited by 1
- CategoryTheory.Sheaf.subsingleton_H_of_isZeroproof · cited by 0