Theorems · Theorem · real analysis
Real.two_mul_arctan_inv_3_add_arctan_inv_7
2 * Real.arctan 3⁻¹ + Real.arctan 7⁻¹ = Real.pi / 4
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- Foundations
- Depth 212 from the axioms · uses propext, Classical.choice, Quot.sound
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Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Realstatement and proof · cited by 25,697
- Nat.cast_oneproof · cited by 2,501
- Real.pistatement and proof · cited by 1,774
- Real.arctanstatement and proof · cited by 111
- Real.arctan_oneproof · cited by 7
- Real.arctan_addproof · cited by 6
- Real.two_mul_arctanproof · cited by 3
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