Step
*
of Lemma
sg-subgroup_wf
∀[sg:s-Group]. ∀[P:Point ⟶ ℙ].  (sg-subgroup(sg;x.P[x]) ∈ ℙ)
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}[sg:s-Group].  \mforall{}[P:Point  {}\mrightarrow{}  \mBbbP{}].    (sg-subgroup(sg;x.P[x])  \mmember{}  \mBbbP{})
By
Latex:
ProveWfLemma
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