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Step * of Lemma fRuleexistsE-var_wf

∀[v:FOLRule()]. fRuleexistsE-var(v) ∈ ℤ supposing ↑fRuleexistsE?(v)
BY
{ DepprodCoDatatypeSelectorWf }

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Latex:

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Latex:
\mforall{}[v:FOLRule()].  fRuleexistsE-var(v)  \mmember{}  \mBbbZ{}  supposing  \muparrow{}fRuleexistsE?(v)


By

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Latex:
DepprodCoDatatypeSelectorWf

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