Step
*
2
1
of Lemma
mul-ipoly-ringeq
1. r : CRng
2. u : iMonomial()
3. v : iMonomial() List
4. q : iMonomial() List
5. q = [] ∈ (iMonomial() List)
⊢ ipolynomial-term([]) ≡ ipolynomial-term([u / v]) (*) ipolynomial-term(q)
BY
{ ((DVar `q' THEN Auto)
THEN (Subst' ipolynomial-term([]) ~ "0" 0 THENA Computation)
THEN D 0
THEN Reduce 0
THEN Auto
THEN RWO "int-to-ring-zero" 0
THEN Auto) }
Latex:
Latex:
1. r : CRng
2. u : iMonomial()
3. v : iMonomial() List
4. q : iMonomial() List
5. q = []
\mvdash{} ipolynomial-term([]) \mequiv{} ipolynomial-term([u / v]) (*) ipolynomial-term(q)
By
Latex:
((DVar `q' THEN Auto)
THEN (Subst' ipolynomial-term([]) \msim{} "0" 0 THENA Computation)
THEN D 0
THEN Reduce 0
THEN Auto
THEN RWO "int-to-ring-zero" 0
THEN Auto)
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