21 lines
304 B
Text
21 lines
304 B
Text
def f : nat → nat
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| 0 := 1
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| (n+1) := f n + 10
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example (n : nat) : f (n+1) = f n + 10 :=
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by simp [f]
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example (n : nat) : f 0 = 1 :=
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by simp [f]
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def g : nat → nat
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| 0 := 2
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| (n+1) :=
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match f n with
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| 0 := 0
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| 1 := 3
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| _ := 4
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end
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example (n : nat) : g (0+1) = 3 :=
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by simp [g, f]
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