Step * 1 1 of Lemma lattice-fset-join-is-lub


1. BoundedLattice
2. eq EqDecider(Point(l))
3. fset(Point(l))@i
4. Point(l)
5. x ∈ s
⊢ SqStable(x ≤ \/(s))
BY
(Unfold `lattice-le` THEN Auto) }


Latex:


Latex:

1.  l  :  BoundedLattice
2.  eq  :  EqDecider(Point(l))
3.  s  :  fset(Point(l))@i
4.  x  :  Point(l)
5.  x  \mmember{}  s
\mvdash{}  SqStable(x  \mleq{}  \mbackslash{}/(s))


By


Latex:
(Unfold  `lattice-le`  0  THEN  Auto)




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