640.hlean:25:8: proof state P : quotient S → Type, c c' : C, a : A ⊢ pathover P (quotient.rec (λ b, sorry) (λ b b' H, sorry) (f a unit.star)) (eq_of_rel S (S.Rmk a unit.star)) sorry 640.hlean:25:22: proof state P : quotient S → Type, c c' : C, a : A ⊢ pathover P sorry (eq_of_rel S (S.Rmk a unit.star)) sorry 640.hlean:25:36: proof state P : quotient S → Type, c c' : C, a : A ⊢ pathover P sorry (eq_of_rel S (S.Rmk a unit.star)) sorry