15 lines
311 B
Lean4
15 lines
311 B
Lean4
import Game.Tactic.Rw
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--import Game.MyNat.Multiplication
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example (a b : Nat) : a * b = b * a := by
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rewrite [mul_comm]
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example (a b : Nat) : a * b = b * a := by
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rw [mul_comm]
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example (a b : MyNat) : a * b = b * a := by
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rewrite [mul_comm]
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example (a b : Nat) : a * b = b * a := by
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reewrite [mul_comm]
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