∀ {x y z : ℤ}, PythagoreanTriple x y z → x * x + y * y = z * z
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Take the search term pythagorean theorem as an example. Right now, the results include theorems concerning pythagorean triples, sin2 x + cos2 x = 1, and different versions of Pythagorean theorem. However, the user most likely wants to find either WithLp.prod_norm_sq_eq_of_L2
, or the elegantly and epically named EuclideanGeometry.dist_sq_eq_dist_sq_add_dist_sq_iff_angle_eq_pi_div_two
.
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In this example, PythagoreanTriple.eq
should receive a downvote, both WithLp.prod_norm_sq_eq_of_L2
and EuclideanGeometry.dist_sq_eq_dist_sq_add_dist_sq_iff_angle_eq_pi_div_two
should be upvoted, and the rest should probably be left as-is.
∀ (θ : Real.Angle), θ.cos ^ 2 + θ.sin ^ 2 = 1
Pythagorean Identity for Angles Modulo 2π
∀ (x : ℝ), Real.cos x ^ 2 + Real.sin x ^ 2 = 1
Pythagorean Identity for Real Numbers
∀ (x : ℝ), Real.sin x ^ 2 + Real.cos x ^ 2 = 1
Pythagorean Identity for Real Numbers
∀ {α : Type u_2} {β : Type u_3} [inst : SeminormedAddCommGroup α] [inst_1 : SeminormedAddCommGroup β] (x : WithLp 2 (α × β)), ‖x‖ ^ 2 = ‖x.1‖ ^ 2 + ‖x.2‖ ^ 2
Pythagorean Theorem for L2 Norm on Product Spaces
∀ (x : ℂ), Complex.cos x ^ 2 + Complex.sin x ^ 2 = 1
Pythagorean Identity for Complex Numbers
ℤ → ℤ → ℤ → Prop
Pythagorean triple
∀ {V : Type u_1} {P : Type u_2} [inst : NormedAddCommGroup V] [inst_1 : InnerProductSpace ℝ V] [inst_2 : MetricSpace P] [inst_3 : NormedAddTorsor V P] (p1 p2 p3 : P), dist p1 p3 * dist p1 p3 = dist p1 p2 * dist p1 p2 + dist p3 p2 * dist p3 p2 ↔ EuclideanGeometry.angle p1 p2 p3 = Real.pi / 2
Pythagorean theorem (distance and angle form)
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