17 lines
247 B
Text
17 lines
247 B
Text
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import data.nat
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namespace foo
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attribute nat.add.assoc [rewrite]
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print nat.add.assoc
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end foo
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print nat.add.assoc
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namespace foo
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print nat.add.assoc
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attribute nat.add.comm [rewrite]
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open nat
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print "---------"
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print [rewrite]
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end foo
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