12 lines
272 B
Text
12 lines
272 B
Text
set_option new_elaborator true
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definition f : nat → (nat × nat) → nat
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| 0 m := m.1
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| (n+1) m :=
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match m with
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| (a, b) := (f n (b, a + 1)) + (f n (a, b))
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end
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check @f._main.equations.eqn_1
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check @f._main.equations.eqn_2
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check @f._match_1.equations.eqn_1
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