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Step * 1 of Lemma lattice-fset-join_wf

.....assertion..... 
1. l : BoundedLattice
2. ∀x,y:Point(l).  Dec(x = y ∈ Point(l))
3. s : fset(Point(l))
⊢ EqDecider(Point(l))
BY
{ EAuto 1 }

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Latex:

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Latex:
.....assertion..... 
1.  l  :  BoundedLattice
2.  \mforall{}x,y:Point(l).    Dec(x  =  y)
3.  s  :  fset(Point(l))
\mvdash{}  EqDecider(Point(l))


By

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Latex:
EAuto  1

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