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14 lines
401 B
14 lines
401 B
5 years ago
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author(sevenlangs, tate).
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author(rubyonrails, tate).
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author(rubyonrails, hibbs).
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author(sevenmorelangs, tate).
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author(sevenmorelangs, dees).
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author(sevenmorelangs, daoud).
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author(sevenmorelangs, moffitt).
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author(effectivetesting, dees).
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author(effectivetesting, marston).
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author(sevenwebframeworks, daoud).
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author(sevenwebframeworks, moffitt).
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coauthor(X, Y) :- \+(X, Y), author(Z, X), author(Z, Y).
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