Step
*
of Lemma
complete-pgeo-dual_wf
∀[pg:ProjectivePlaneStructure]. ∀[l:Line].  (complete-pgeo-dual(pg;l) ∈ ProjectivePlaneStructureComplete)
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}[pg:ProjectivePlaneStructure].  \mforall{}[l:Line].
    (complete-pgeo-dual(pg;l)  \mmember{}  ProjectivePlaneStructureComplete)
By
Latex:
ProveWfLemma
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