The subproof is completed by applying pack_struct_p_I with
1,
λ x0 . True.
Apply unknownprop_eaa5ecc21d9729bc79b0e5cf0bed2c98f0fc7f7f801ce2eeca3ce9b80a339bb2 with
struct_p leaving 2 subgoals.
Let x0 of type ι be given.
The subproof is completed by applying H1.
The subproof is completed by applying L0.