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Step * of Lemma lattice-fset-join-singleton

∀[l:BoundedLattice]. ∀[x:Point(l)].  (\/({x}) = x ∈ Point(l))
BY
{ (Intros THEN RepUR ``lattice-fset-join fset-singleton`` 0 THEN D 1 THEN Auto) }

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Latex:

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Latex:
\mforall{}[l:BoundedLattice].  \mforall{}[x:Point(l)].    (\mbackslash{}/(\{x\})  =  x)


By

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Latex:
(Intros  THEN  RepUR  ``lattice-fset-join  fset-singleton``  0  THEN  D  1  THEN  Auto)

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