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Step * of Lemma lattice-0-le

∀[l:BoundedLattice]. ∀[x:Point(l)].  0 ≤ x
BY
{ (Auto THEN RWO "lattice-le-iff" 0 THEN Auto) }

1
1. l : BoundedLattice
2. x : Point(l)
⊢ x = 0 ∨ x ∈ Point(l)

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Latex:

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Latex:
\mforall{}[l:BoundedLattice].  \mforall{}[x:Point(l)].    0  \mleq{}  x


By

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Latex:
(Auto  THEN  RWO  "lattice-le-iff"  0  THEN  Auto)

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