Theorems · Definition · group theory
AddSubgroup.opEquiv
{G : Type u_2} → [inst : AddGroup G] → AddSubgroup G ≃o AddSubgroup GᵃᵒᵖAn additive subgroup H of G determines an additive subgroup
H.op of the opposite additive group Gᵃᵒᵖ.
- Cited by
- 18 results in Mathlib
- Foundations
- Depth 29 from the axioms · uses propext, Quot.sound
- Assumes
- AddGroup
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.
- AddGroupstatement and proof · cited by 4,410
- AddSubgroupstatement and proof · cited by 3,232
- OrderIsostatement · cited by 874
- AddOppositestatement · cited by 452
- AddSubgroup.opproof · cited by 57
- AddSubgroup.unopproof · cited by 30
- AddSubgroup.op_unopproof · cited by 3
- AddSubgroup.unop_opproof · cited by 0
- AddSubgroup.op_le_op_iffproof · cited by 0
Cited by18
Results whose statement or proof uses this declaration.
- AddSubgroup.unop_injectiveproof · cited by 2
- AddSubgroup.op_injproof · cited by 2
- AddSubgroup.op_injectiveproof · cited by 2
- AddSubgroup.unop_botproof · cited by 1
- AddSubgroup.op_botproof · cited by 1
- AddSubgroup.op_sInfproof · cited by 1
- AddSubgroup.unop_iInfproof · cited by 0
- AddSubgroup.unop_iSupproof · cited by 0
- AddSubgroup.unop_injproof · cited by 0
- AddSubgroup.unop_sInfproof · cited by 0
- AddSubgroup.unop_sSupproof · cited by 0
- AddSubgroup.unop_supproof · cited by 0