Theorems · Theorem · real analysis
Real.Polynomial.isRoot_cos_pi_div_five
(4 • Polynomial.X ^ 2 - 2 • Polynomial.X - Polynomial.C 1).IsRoot (Real.cos (Real.pi / 5))
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- 0 results in Mathlib
- Foundations
- Depth 179 from the axioms · uses propext, Classical.choice, Quot.sound
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Cites18
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement · cited by 62,936
- Realstatement · cited by 25,697
- RingHomstatement · cited by 10,189
- Polynomialstatement · cited by 5,681
- Real.pistatement and proof · cited by 1,774
- Polynomial.Xstatement and proof · cited by 1,639
- Polynomial.Cstatement and proof · cited by 1,598
- map_oneproof · cited by 861
- Real.cosstatement and proof · cited by 424
- nsmul_eq_mulproof · cited by 369
- Polynomial.eval_Xproof · cited by 172
- Polynomial.IsRootstatement and proof · cited by 152
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