This commit is contained in:
Jeremy Avigad 2017-03-02 17:08:00 -05:00
parent 89d65b1dca
commit e7c174719b

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@ -19,4 +19,4 @@ structure is_short_exact_t {A B : Type} {C : Type*} (f : A → B) (g : B → C)
(is_emb : is_embedding f) (is_emb : is_embedding f)
(im_in_ker : Π(a:A), g (f a) = pt) (im_in_ker : Π(a:A), g (f a) = pt)
(ker_in_im : Π(b:B), (g b = pt) → fiber f b) (ker_in_im : Π(b:B), (g b = pt) → fiber f b)
is_surj : is_split_surjective g) (is_surj : is_split_surjective g)