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Step * of Lemma itermAdd_wf

∀[left,right:int_term()].  (left (+) right ∈ int_term())
BY
{ DepprodCoDatatypeConstructorWf `int_term_size` }

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Latex:

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Latex:
\mforall{}[left,right:int\_term()].    (left  (+)  right  \mmember{}  int\_term())


By

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Latex:
DepprodCoDatatypeConstructorWf  `int\_term\_size`

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