G : Type u_1
P : Type u_2
inst✝¹ : AddGroup G
inst✝ : AddTorsor G P
inhabited_h : Inhabited P
⊢ Subsingleton G ↔ Subsingleton P
G : Type u_1
P : Type u_2
inst✝¹ : AddGroup G
inst✝ : AddTorsor G P
⊢ Subsingleton G ↔ Subsingleton P
inhabit P
no goals
G : Type u_1
P : Type u_2
inst✝¹ : AddGroup G
inst✝ : AddTorsor G P
inhabited_h : Inhabited P
⊢ Subsingleton G ↔ Subsingleton P
exact (Equiv.vaddConst default).subsingleton_congr