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

div

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)

  92lemma div (hx : PhiClosed φ x) (hy : PhiClosed φ y) :
  93    PhiClosed φ (x / y) :=

proof body

Term-mode proof.

  94  (phiSubfield φ).div_mem hx hy
  95

used by (22)

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

depends on (2)

Lean names referenced from this declaration's body.