reduce imported mathlib chunk

server/adam/Adam/Options/ArithSum.lean

@@ -1,5 +1,4 @@
-import Mathlib.Tactic.Ring
-import Mathlib.Algebra.BigOperators.Fin
+import Adam.Options.MathlibPart
 
 open BigOperators
 

server/adam/Adam/Options/MathlibPart.lean

@@ -0,0 +1,15 @@
+import Std.Tactic.RCases
+import Mathlib.Tactic.LeftRight
+import Mathlib.Tactic.Contrapose
+import Mathlib.Tactic.Use
+import Mathlib.Tactic.Ring
+import Mathlib.Tactic.Linarith
+import Mathlib.Data.Nat.Parity
+import Mathlib.Algebra.BigOperators.Fin
+import Mathlib.LinearAlgebra.LinearIndependent
+import Mathlib.Data.Real.Basic           -- definiert `ℝ`
+import Mathlib.LinearAlgebra.Basis
+import Mathlib.Data.Real.Basic            -- definiert `ℝ`
+import Mathlib.Algebra.Module.Pi          -- definiert `Module ℚ (fin 2 → ℚ)`
+import Mathlib.Data.Fin.VecNotation
+import Mathlib.Tactic.FinCases