15 lines
480 B
Text
15 lines
480 B
Text
open tactic
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set_option pp.binder_types true
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set_option pp.implicit true
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set_option pp.notation false
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example (a : nat) : true :=
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by do
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mk_const `add >>= head_eta_expand >>= trace,
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mk_const `nat.succ >>= head_eta_expand >>= trace,
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to_expr `(add a) >>= head_eta_expand >>= trace,
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to_expr `(λ x : nat, add x) >>= head_eta_expand >>= trace,
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to_expr `(λ x : nat, add x) >>= head_eta >>= trace,
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to_expr `(add a) >>= head_eta_expand >>= head_eta >>= trace,
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constructor
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