640.hlean:25:8: proof state
P : quotient S → Type,
c c' : C,
a : A
⊢ pathover P (quotient.rec (λ (b : A), sorry) (λ (b b' : A) (H : R b b'), 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