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Step * of Lemma mRuleexistsI-var_wf

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

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Latex:


\mforall{}[v:mFOLRule()].  mRuleexistsI-var(v)  \mmember{}  \mBbbZ{}  supposing  \muparrow{}mRuleexistsI?(v)


By

DepprodCoDatatypeSelectorWf

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