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lean4game/server/testgame/TestGame/Levels/LinearAlgebra/M02_LinearIndep.lean

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