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Step * of Lemma gcopower_sig_wf

∀s:PosetSig. ∀g:GrpSig.  (gcopower_sig{i:l}(s;g) ∈ 𝕌')
BY
{ Unfold `gcopower_sig` 0 THEN Auto }

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Latex:

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Latex:
\mforall{}s:PosetSig.  \mforall{}g:GrpSig.    (gcopower\_sig\{i:l\}(s;g)  \mmember{}  \mBbbU{}')


By

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Latex:
Unfold  `gcopower\_sig`  0  THEN  Auto

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