Step
*
2
1
2
of Lemma
add-polynom_wf
1. n : {1...}
2. ∀[p,q:polynom(n - 1)]. (add-polynom(n - 1;tt;p;q) ∈ polynom(n - 1))
3. ∀[p,q:polynom(n - 1) List]. ∀[rmz:𝔹]. (add-polynom(n;rmz;p;q) ∈ polynom(n - 1) List)
⊢ ∀[p,q:{p:polynom(n - 1) List| polyform-lead-nonzero(n;p)} ].
(add-polynom(n;tt;p;q) ∈ {p:polynom(n - 1) List| polyform-lead-nonzero(n;p)} )
BY
{ (RepeatFor 2 (((D 0 THENA (Auto THEN RecUnfold `polyform` 0⋅ THEN Auto)) THEN D -1)) THEN MemTypeCD THEN Auto) }
1
.....set predicate.....
1. n : {1...}
2. ∀[p,q:polynom(n - 1)]. (add-polynom(n - 1;tt;p;q) ∈ polynom(n - 1))
3. ∀[p,q:polynom(n - 1) List]. ∀[rmz:𝔹]. (add-polynom(n;rmz;p;q) ∈ polynom(n - 1) List)
4. p : polynom(n - 1) List
5. polyform-lead-nonzero(n;p)
6. q : polynom(n - 1) List
7. polyform-lead-nonzero(n;q)
⊢ polyform-lead-nonzero(n;add-polynom(n;tt;p;q))
2
1. n : {1...}
2. ∀[p,q:polynom(n - 1)]. (add-polynom(n - 1;tt;p;q) ∈ polynom(n - 1))
3. ∀[p,q:polynom(n - 1) List]. ∀[rmz:𝔹]. (add-polynom(n;rmz;p;q) ∈ polynom(n - 1) List)
4. p : polynom(n - 1) List
5. polyform-lead-nonzero(n;p)
6. q : polynom(n - 1) List
7. polyform-lead-nonzero(n;q)
8. p1 : polynom(n - 1) List
⊢ p1 ∈ polyform(n)
Latex:
Latex:
1. n : \{1...\}
2. \mforall{}[p,q:polynom(n - 1)]. (add-polynom(n - 1;tt;p;q) \mmember{} polynom(n - 1))
3. \mforall{}[p,q:polynom(n - 1) List]. \mforall{}[rmz:\mBbbB{}]. (add-polynom(n;rmz;p;q) \mmember{} polynom(n - 1) List)
\mvdash{} \mforall{}[p,q:\{p:polynom(n - 1) List| polyform-lead-nonzero(n;p)\} ].
(add-polynom(n;tt;p;q) \mmember{} \{p:polynom(n - 1) List| polyform-lead-nonzero(n;p)\} )
By
Latex:
(RepeatFor 2 (((D 0 THENA (Auto THEN RecUnfold `polyform` 0\mcdot{} THEN Auto)) THEN D -1))
THEN MemTypeCD
THEN Auto)
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