pith. machine review for the scientific record. sign in
theorem proved term proof

comp_id

show as:
view Lean formalization →

No prose has been written for this declaration yet. The Lean source and graph data below render without it.

generate prose now

formal statement (Lean)

 819@[simp] theorem comp_id (f : JAut) : comp id f = f := by

proof body

Term-mode proof.

 820  apply JAut.ext
 821  intro x
 822  rfl
 823

used by (2)

From the project-wide theorem graph. These declarations reference this one in their body.

depends on (8)

Lean names referenced from this declaration's body.