---

Step * of Lemma no-excluded-middle-squash-using-partial

¬↓∀P:ℙ. (P ∨ (¬P))
BY
{ ((D 0 THENA Auto) THEN InstLemma no-excluded-middle-using-partial []⋅ THEN D 1 THEN D 2 THEN Trivial) }

---

Latex:

---

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


By

---

Latex:
((D  0  THENA  Auto)
  THEN  InstLemma  no-excluded-middle-using-partial  []\mcdot{}
  THEN  D  1
  THEN  D  2
  THEN  Trivial)

---

Home Index