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Logic for Advanced
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The Glosses of Peter Abailard on Porphyry
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Dialectica
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Logic in Response to the Request of our Comrades
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A Treatise on Understanding
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Yes and No
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Theologia 'Summi Boni'
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Theologia christiana
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Theologia 'scholarium
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Dialogue of a Philosopher with a Jew and a Christian
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The Ethics of Peter Abelard