Step
*
of Lemma
add-ipoly1_wf
∀p,q:(ℤ × (ℤ List)) List.  (add-ipoly1(p;q) ∈ (ℤ × (ℤ List)) List)
BY
{ (InstLemma `add-ipoly-wf1` [] THEN Unfold `add-ipoly1` 0 THEN Trivial) }
Latex:
Latex:
\mforall{}p,q:(\mBbbZ{}  \mtimes{}  (\mBbbZ{}  List))  List.    (add-ipoly1(p;q)  \mmember{}  (\mBbbZ{}  \mtimes{}  (\mBbbZ{}  List))  List)
By
Latex:
(InstLemma  `add-ipoly-wf1`  []  THEN  Unfold  `add-ipoly1`  0  THEN  Trivial)
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