feat(data/polynomial): lemmas relating unit and irreducible with degree #514
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jcommelin
reviewed
Dec 17, 2018
| @@ -81,6 +81,7 @@ lemma single_eq_C_mul_X : ∀{n}, single n a = C a * X^n | |||
| lemma sum_C_mul_X_eq (p : polynomial α) : p.sum (λn a, C a * X^n) = p := | |||
| eq.trans (sum_congr rfl $ assume n hn, single_eq_C_mul_X.symm) (finsupp.sum_single _) | |||
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