6 lines
254 B
Text
6 lines
254 B
Text
import data.matrix data.real data.fin
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open matrix real
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axiom mx_add_comm {m n} (M₁ M₂ : matrix ℝ m n) : M₁ + M₂ = M₂ + M₁
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attribute mx_add_comm [simp]
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example (m n : ℕ) (M₁ M₂ : matrix ℝ m n) : M₁ + M₂ = M₂ + M₁ := by simp
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