Theorems · Theorem · group theory
Subsemigroup.comap_surjective_of_injective
∀ {M : Type u_1} {N : Type u_2} [inst : Mul M] [inst_1 : Mul N] {f : M →ₙ* N},
Function.Injective ⇑f → Function.Surjective (Subsemigroup.comap f)- Cited by
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- Foundations
- Depth 27 from the axioms · uses propext, Quot.sound
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Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement and proof · cited by 62,936
- Subsemigroupstatement · cited by 323
- MulHomstatement and proof · cited by 299
- Subsemigroup.comapstatement · cited by 39
- GaloisCoinsertion.u_surjectiveproof · cited by 10
- Subsemigroup.gciMapComapproof · cited by 9
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