A variable is sometimes thought of as a mathematical John Doe because you can use it...

  

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A variable is sometimes thought of as a mathematical "John Doe" because you can use it as a placeholder when you want to talk about something but either, or (1점) choose two answers to complete the sentence you want whatever you say about it to be equally true for all elements in a given set, and so you don't want to be restricted to considering only a particular, concrete value for it you know that there is at least one value for which whatever you are saying would be true for this particular value you imagine that it has one or more values but you don't know what they are you want the reader to fill in a value which would make the statement true 2. A statement contains some variation of the words "for every". (1점) universal conditional universal conditional existential conditional 3. A statement contains versions of the words "if-then." * (1점) C universal conditional existential conditional universal conditional 4. A statement is a statement that is both universal and conditional. * (1점) conditional existential conditional universal universal conditional 5. An statement is a statement that is existential because its first part asserts that a certain object exists and is universal because its second part says that the object satisfies a certain property for all things of a certain kind. * (1점) universal universal conditional conditional universal existential A variable is sometimes thought of as a mathematical "John Doe" because you can use it as a placeholder when you want to talk about something but either, or (1점) choose two answers to complete the sentence you want whatever you say about it to be equally true for all elements in a given set, and so you don't want to be restricted to considering only a particular, concrete value for it you know that there is at least one value for which whatever you are saying would be true for this particular value you imagine that it has one or more values but you don't know what they are you want the reader to fill in a value which would make the statement true 2. A statement contains some variation of the words "for every". (1점) universal conditional universal conditional existential conditional 3. A statement contains versions of the words "if-then." * (1점) C universal conditional existential conditional universal conditional 4. A statement is a statement that is both universal and conditional. * (1점) conditional existential conditional universal universal conditional 5. An statement is a statement that is existential because its first part asserts that a certain object exists and is universal because its second part says that the object satisfies a certain property for all things of a certain kind. * (1점) universal universal conditional conditional universal existential

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