Variation 30: Four-part quodlibet using two popular melodies and the fundamental bass. |
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From this he generates canons, overtures, duets, fugues, 3-part sinfonias, and even the famous quodlibet, in which several tunes sound simultaneously. |
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Chapter 5, 'Relevantistic Logic', concerns logics which reject exfalso quodlibet. |
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It appears as good a quodlibet on the topic as ever existing. |
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In this case one must also add as a primitive rule ex falso quodlibet. |
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