Theorems · Theorem · group theory
DirectSum.Decomposition.left_inv
∀ {ι : Type u_1} {M : Type u_3} {σ : Type u_4} {inst : DecidableEq ι} {inst_1 : AddCommMonoid M} {inst_2 : SetLike σ M}
{inst_3 : AddSubmonoidClass σ M} {ℳ : ι → σ} [self : DirectSum.Decomposition ℳ],
Function.LeftInverse (⇑(DirectSum.coeAddMonoidHom ℳ)) DirectSum.Decomposition.decompose'- Defined in
- Mathlib.Algebra.DirectSum.Decomposition
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 86 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DirectSum.Decomposition
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.
- DFunLike.coestatement · cited by 62,936
- AddCommMonoidstatement and proof · cited by 12,281
- AddMonoidHomstatement · cited by 3,230
- SetLikestatement and proof · cited by 1,084
- DirectSumstatement · cited by 446
- AddSubmonoidClassstatement and proof · cited by 346
- DirectSum.Decompositionstatement and proof · cited by 57
- DirectSum.coeAddMonoidHomstatement · cited by 8
- DirectSum.Decomposition.decompose'statement · cited by 7
Cited by2
Results whose statement or proof uses this declaration.
- DirectSum.decomposeproof · cited by 93
- DirectSum.Decomposition.isInternalproof · cited by 6