"monadic predicate logic" meaning in English

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        "The fragment of predicate logic in which all predicate letters are monadic (that is, they take only one argument), and there are no function letters."
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        "(logic) The fragment of predicate logic in which all predicate letters are monadic (that is, they take only one argument), and there are no function letters."
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        "monadic predicate calculus"
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  "word": "monadic predicate logic"
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        "The fragment of predicate logic in which all predicate letters are monadic (that is, they take only one argument), and there are no function letters."
      ],
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          "logic",
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          "predicate logic",
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        "(logic) The fragment of predicate logic in which all predicate letters are monadic (that is, they take only one argument), and there are no function letters."
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