18 lines
208 B
Text
18 lines
208 B
Text
import data.nat
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variables a b : nat.nat
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namespace boo
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export nat
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check a + b
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check nat.add
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check boo.add
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check add
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end boo
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check boo.nat_rec
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open boo
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check a + b
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check boo.nat_rec
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check nat_rec
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