2a67a49f31
This PR deprecates the tactics `simp_arith`, `simp_arith!`, `simp_all_arith` and `simp_all_arith!`. Users can just use the `+arith` option.
8 lines
147 B
Text
8 lines
147 B
Text
def f (x : Nat) :=
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let n := x + 1
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n + n
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example : f x = 2*x + 2 := by
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dsimp [f]
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guard_target =ₛ x + 1 + (x + 1) = 2*x + 2
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simp +arith
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