---

Step * of Lemma no-excluded-middle

¬(∀P:ℙ. (P ∨ (¬P)))
BY
{ ((D 0 THENA Auto)
   THEN RenameVar `magic' (-1)
   THEN InstLemma `not_has-value_decidable_on_base` []
   THEN D (-1)
   THEN Auto) }

---

Latex:

---

Latex:
\mneg{}(\mforall{}P:\mBbbP{}.  (P  \mvee{}  (\mneg{}P)))


By

---

Latex:
((D  0  THENA  Auto)
  THEN  RenameVar  `magic'  (-1)
  THEN  InstLemma  `not\_has-value\_decidable\_on\_base`  []
  THEN  D  (-1)
  THEN  Auto)

---

Home Index