13 lines
265 B
Text
13 lines
265 B
Text
new_frontend
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def g (x : Nat) : List (Nat × List Nat) :=
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[(x, [x, x]), (x, [])]
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def h (x : Nat) : List (Nat × List Nat) :=
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g x $.filter fun ⟨_, xs⟩ => xs.isEmpty
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theorem ex1 : g 10 = [(10, [10, 10]), (10, [])] :=
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rfl
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theorem ex2 : h 10 = [(10, [])] :=
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rfl
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