refactor: Lint

HepLean/SpaceTime/LorentzGroup/Basic.lean

@@ -36,7 +36,7 @@ open minkowskiMetric in
 /-- The Lorentz group is the subset of matrices which preserve the minkowski metric. -/
 def LorentzGroup (d : ℕ) : Set (Matrix (Fin 1 ⊕ Fin d) (Fin 1 ⊕ Fin d) ℝ) :=
     {Λ : Matrix (Fin 1 ⊕ Fin d) (Fin 1 ⊕ Fin d) ℝ |
-     ∀ (x y : LorentzVector d), ⟪Λ *ᵥ x, Λ *ᵥ y⟫ₘ = ⟪x, y⟫ₘ}
+      ∀ (x y : LorentzVector d), ⟪Λ *ᵥ x, Λ *ᵥ y⟫ₘ = ⟪x, y⟫ₘ}
 
 namespace LorentzGroup
 /-- Notation for the Lorentz group. -/

HepLean/SpaceTime/LorentzGroup/Boosts.lean

@@ -145,7 +145,7 @@ lemma toMatrix_in_lorentzGroup (u v : FuturePointing d) : (toMatrix u v) ∈ Lor
     smul_eq_mul, LinearMap.neg_apply]
   field_simp
   rw [u.1.2, v.1.2, minkowskiMetric.symm v.1.1 u, minkowskiMetric.symm u y,
-     minkowskiMetric.symm v y]
+      minkowskiMetric.symm v y]
   ring
 
 /-- A generalised boost as an element of the Lorentz Group. -/

HepLean/SpaceTime/LorentzGroup/Orthochronous.lean

@@ -63,7 +63,7 @@ lemma not_orthochronous_iff_le_zero :
 
 /-- The continuous map taking a Lorentz transformation to its `0 0` element. -/
 def timeCompCont : C(LorentzGroup d, ℝ) := ⟨fun Λ => timeComp Λ,
-   Continuous.matrix_elem (continuous_iff_le_induced.mpr fun _ a => a) (Sum.inl 0) (Sum.inl 0)⟩
+    Continuous.matrix_elem (continuous_iff_le_induced.mpr fun _ a => a) (Sum.inl 0) (Sum.inl 0)⟩
 
 /-- An auxillary function used in the definition of `orthchroMapReal`. -/
 def stepFunction : ℝ → ℝ := fun t =>
@@ -72,7 +72,7 @@ def stepFunction : ℝ → ℝ := fun t =>
 
 lemma stepFunction_continuous : Continuous stepFunction := by
   apply Continuous.if ?_ continuous_const (Continuous.if ?_ continuous_const continuous_id)
-   <;> intro a ha
+    <;> intro a ha
   rw [@Set.Iic_def, @frontier_Iic, @Set.mem_singleton_iff] at ha
   rw [ha]
   simp [neg_lt_self_iff, zero_lt_one, ↓reduceIte]
@@ -157,7 +157,7 @@ def orthchroRep : LorentzGroup d →* ℤ₂ where
   map_mul' Λ Λ' := by
     simp only
     by_cases h : IsOrthochronous Λ
-     <;> by_cases h' : IsOrthochronous Λ'
+      <;> by_cases h' : IsOrthochronous Λ'
     rw [orthchroMap_IsOrthochronous h, orthchroMap_IsOrthochronous h',
       orthchroMap_IsOrthochronous (mul_othchron_of_othchron_othchron h h')]
     rfl