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Step * of Lemma itermSubtract-left_wf

∀[v:int_term()]. itermSubtract-left(v) ∈ int_term() supposing ↑itermSubtract?(v)
BY
{ DepprodCoDatatypeSelectorWf }

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Latex:

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Latex:
\mforall{}[v:int\_term()].  itermSubtract-left(v)  \mmember{}  int\_term()  supposing  \muparrow{}itermSubtract?(v)


By

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Latex:
DepprodCoDatatypeSelectorWf

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