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import TestGame.Metadata
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import Mathlib.Algebra.Module.Submodule.Lattice
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import Mathlib.Data.Real.Basic -- definiert `ℝ`
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import Mathlib.Algebra.Module.LinearMap -- definiert `→ₗ`
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import Mathlib.Tactic.FinCases
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import Mathlib.Data.Fin.VecNotation
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-- import Mathlib.LinearAlgebra.Finsupp
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import Mathlib.Algebra.BigOperators.Basic -- default
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-- import Mathlib.LinearAlgebra.LinearIndependent
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Game "TestGame"
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World "Basis"
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Level 2
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Title "Lineare Unabhängigkeit"
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--notation "ℝ²" => Fin 2 → ℝ
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Introduction
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"
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"
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Statement
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"Zeige, dass `![1, 0], ![1, 1]` linear unabhängig über `ℝ` sind."
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: True := by -- linearIndependent ℝ ![(![1, 0] : ℝ²), ![1, 1]] := by
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trivial
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-- begin
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-- rw fintype.linear_independent_iff,
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-- intros c h,
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-- simp at h,
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-- intros i,
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-- fin_cases i,
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-- swap,
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-- { exact h.2 },
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-- { have h' := h.1,
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-- rw [h.2, add_zero] at h',
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-- exact h'}
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-- end
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