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2e8f5e42be
The natural-number? predicate seems to be unavailable (though there is a remnant of it in the form of natural-number/c, which is just a contract alias of exact-nonnegative-integer?). In any case, it surely means nonnegative integer. (One might push the envelope here slightly and add exactness, but this commit does not go that far.) |
5 years ago | |
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brag.scrbl | 5 years ago | |
info.rkt | 5 years ago |