---

Step * of Lemma not-exception-has-value

∀[nm,val:Base].  ((exception(nm; val))↓ ⇒ False)
BY
{ (Auto THEN RepUR ``has-value`` -1 THEN FLemma `exception-not-value2` [-1] THEN Auto) }

1
.....antecedent..... 
1. nm : Base
2. val : Base
3. 0 ≤ exception(nm; val)@i
⊢ (0)↓

---

Latex:

---

Latex:
\mforall{}[nm,val:Base].    ((exception(nm;  val))\mdownarrow{}  {}\mRightarrow{}  False)


By

---

Latex:
(Auto  THEN  RepUR  ``has-value``  -1  THEN  FLemma  `exception-not-value2`  [-1]  THEN  Auto)

---

Home Index