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Step * 1 1 of Lemma mk-DeMorgan-algebra-equal-bounded-lattice

.....wf..... 
1. L : BoundedLatticeStructure
2. n : Top
3. L ∈ BoundedLatticeStructure
⊢ 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) }

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Latex:

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Latex:
.....wf..... 
1.  L  :  BoundedLatticeStructure
2.  n  :  Top
3.  L  \mmember{}  BoundedLatticeStructure
\mvdash{}  L["neg"  :=  n]  \mmember{}  BoundedLatticeStructure


By

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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)

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