Theorems · Theorem · group theory
Multiset.fst_sum
∀ {M : Type u_5} {N : Type u_6} [inst : AddCommMonoid M] [inst_1 : AddCommMonoid N] (s : Multiset (M × N)),
s.sum.1 = (Multiset.map Prod.fst s).sum- Cited by
- 1 results in Mathlib
- Foundations
- Depth 15 from the axioms · uses propext, Quot.sound
- Assumes
- AddCommMonoidAddCommMonoid
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
- Multisetstatement and proof · cited by 2,627
- Multiset.mapstatement · cited by 876
- Multiset.sumstatement · cited by 388
- AddMonoidHom.fstproof · cited by 39
- map_multiset_sumproof · cited by 24
Cited by1
Results whose statement or proof uses this declaration.
- IsAddFreimanHom.prodMkproof · cited by 1