---

Step * 1 1 of Lemma mk-DeMorgan-algebra_wf


1. L : BoundedLatticeStructure
2. n : Point(L) ⟶ Point(L)
⊢ L["neg" := n] ∈ BoundedLatticeStructure
BY
{ ((DRecord 1 THENA Auto)
   THEN Unfold `bounded-lattice-structure` 0
   THEN RepeatFor 5 ((RecordPlusTypeCD THEN Reduce 0 THEN Try (Trivial)))
   THEN RepUR ``record record-update`` 0
   THEN Auto) }

---

Latex:

---

Latex:

1.  L  :  BoundedLatticeStructure
2.  n  :  Point(L)  {}\mrightarrow{}  Point(L)
\mvdash{}  L["neg"  :=  n]  \mmember{}  BoundedLatticeStructure


By

---

Latex:
((DRecord  1  THENA  Auto)
  THEN  Unfold  `bounded-lattice-structure`  0
  THEN  RepeatFor  5  ((RecordPlusTypeCD  THEN  Reduce  0  THEN  Try  (Trivial)))
  THEN  RepUR  ``record  record-update``  0
  THEN  Auto)

---

Home Index