Theorems · Definition · group theory
AddMonoidHom.coprod
{M : Type u_3} →
{N : Type u_4} →
{P : Type u_5} →
[inst : AddZeroClass M] →
[inst_1 : AddZeroClass N] → [inst_2 : AddCommMonoid P] → (M →+ P) → (N →+ P) → M × N →+ PCoproduct of two AddMonoidHoms with the same codomain:
f.coprod g (p : M × N) = f p.1 + g p.2.
(Commutative case; for the general case, see AddHom.noncommCoprod.)
- Defined in
- Mathlib.Algebra.Group.Prod
- Cited by
- 7 results in Mathlib
- Foundations
- Depth 14 from the axioms · uses propext, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- AddCommMonoidstatement and proof · cited by 12,281
- AddMonoidHomstatement and proof · cited by 3,230
- AddZeroClassstatement and proof · cited by 1,237
- AddMonoidHom.compproof · cited by 339
- AddMonoidHom.sndproof · cited by 42
- AddMonoidHom.fstproof · cited by 39
Cited by7
Results whose statement or proof uses this declaration.
- AddMonoidHom.coprod_comp_inlstatement · cited by 1
- AddMonoidHom.coprod_comp_inrstatement · cited by 1
- AddMonoidHom.coprod_uniquestatement · cited by 1
- AddSubmonoid.sup_eq_rangestatement and proof · cited by 1
- AddMonoidHom.coprod_applystatement · cited by 0
- AddMonoidHom.coprod_inl_inrstatement · cited by 0
- AddMonoidHom.comp_coprodstatement · cited by 0