e9f8f9e5d7
Motivation: avoid overload when we use `open nat`. Unfortunately, we currently do not allow users to mark inductive datatype declarations as protected.
12 lines
173 B
Text
12 lines
173 B
Text
variables a b : nat
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set_option pp.all true
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check a * b
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check a + b
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-- instance : semigroup nat := sorry
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-- instance : add_semigroup nat := sorry
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check a * b
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check a + b
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