---

Step * of Lemma per-all_wf

∀[A:Type]. ∀[B:type-function{i:l}(A)].  (per-all(A;a.B[a]) ∈ ℙ)
BY
{ (InstLemma `per-function_wf` [] THEN Unfold `per-all` 0 THEN Auto) }

---

Latex:

---

Latex:
\mforall{}[A:Type].  \mforall{}[B:type-function\{i:l\}(A)].    (per-all(A;a.B[a])  \mmember{}  \mBbbP{})


By

---

Latex:
(InstLemma  `per-function\_wf`  []  THEN  Unfold  `per-all`  0  THEN  Auto)

---

Home Index