Theorem: SciLean.CDifferentiableAt.id_rule (SciLean/Core/FunctionPropositions/CDifferentiable.lean)

State before:
K : Type u_1
inst✝⁵ : RCLike K
X : Type u_2
inst✝⁴ : Vec K X
Y : Type ?u.1594
inst✝³ : Vec K Y
Z : Type ?u.1605
inst✝² : Vec K Z
ι : Type ?u.1616
inst✝¹ : IndexType ι
E : ι → Type ?u.1625
inst✝ : (i : ι) → Vec K (E i)
x : X
⊢ CDifferentiableAt K (fun x => x) x
Tactic:
sorry_proof
State after:
no goals