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Natural language into sentence logic



The Next CEO of Stack OverflowIs an argument in natural language as logically valid as in formal logic?Questions about the relationship between Wittgenstein's Philosophical Investigations and TractatusWhere Wittgenstein argues that thinking is done in natural language?












1















Need some help putting these two examples of natural language into sentence logic. For reference, use the transcription guide below:



D = you think so; E = I think so; F = it is true




  1. If you think so, I think so. And if I think so, you think so. (is it possible to express this using just one connective?)


  2. Unless it isn’t true, you don’t think so.











share|improve this question



























    1















    Need some help putting these two examples of natural language into sentence logic. For reference, use the transcription guide below:



    D = you think so; E = I think so; F = it is true




    1. If you think so, I think so. And if I think so, you think so. (is it possible to express this using just one connective?)


    2. Unless it isn’t true, you don’t think so.











    share|improve this question

























      1












      1








      1


      1






      Need some help putting these two examples of natural language into sentence logic. For reference, use the transcription guide below:



      D = you think so; E = I think so; F = it is true




      1. If you think so, I think so. And if I think so, you think so. (is it possible to express this using just one connective?)


      2. Unless it isn’t true, you don’t think so.











      share|improve this question














      Need some help putting these two examples of natural language into sentence logic. For reference, use the transcription guide below:



      D = you think so; E = I think so; F = it is true




      1. If you think so, I think so. And if I think so, you think so. (is it possible to express this using just one connective?)


      2. Unless it isn’t true, you don’t think so.








      natural-language






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      share|improve this question











      share|improve this question




      share|improve this question










      asked 2 hours ago









      A. DelargeA. Delarge

      513




      513






















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          1. This sentence is a conjunction of two conditionals:


          D→E∧E→D



          You can put it into a single connective by using CB: D↔E




          1. I was taught that "unless" is a flag for the "or" connective, so I will write my answer like that. If you rewrite the sentence to "You don’t think so unless it isn’t true", then the logic you get is:


          ~F∨~D






          share|improve this answer








          New contributor




          cenicero is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.





















          • Thank you so much for your response. For #2, however, I was recently taught that “X, unless Y” is the same (usually) as ~Y > X. Would it be possible to write it out then as ~~D > ~F, which would just be D > ~F?

            – A. Delarge
            51 mins ago












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          1 Answer
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          1 Answer
          1






          active

          oldest

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          active

          oldest

          votes






          active

          oldest

          votes









          3















          1. This sentence is a conjunction of two conditionals:


          D→E∧E→D



          You can put it into a single connective by using CB: D↔E




          1. I was taught that "unless" is a flag for the "or" connective, so I will write my answer like that. If you rewrite the sentence to "You don’t think so unless it isn’t true", then the logic you get is:


          ~F∨~D






          share|improve this answer








          New contributor




          cenicero is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.





















          • Thank you so much for your response. For #2, however, I was recently taught that “X, unless Y” is the same (usually) as ~Y > X. Would it be possible to write it out then as ~~D > ~F, which would just be D > ~F?

            – A. Delarge
            51 mins ago
















          3















          1. This sentence is a conjunction of two conditionals:


          D→E∧E→D



          You can put it into a single connective by using CB: D↔E




          1. I was taught that "unless" is a flag for the "or" connective, so I will write my answer like that. If you rewrite the sentence to "You don’t think so unless it isn’t true", then the logic you get is:


          ~F∨~D






          share|improve this answer








          New contributor




          cenicero is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.





















          • Thank you so much for your response. For #2, however, I was recently taught that “X, unless Y” is the same (usually) as ~Y > X. Would it be possible to write it out then as ~~D > ~F, which would just be D > ~F?

            – A. Delarge
            51 mins ago














          3












          3








          3








          1. This sentence is a conjunction of two conditionals:


          D→E∧E→D



          You can put it into a single connective by using CB: D↔E




          1. I was taught that "unless" is a flag for the "or" connective, so I will write my answer like that. If you rewrite the sentence to "You don’t think so unless it isn’t true", then the logic you get is:


          ~F∨~D






          share|improve this answer








          New contributor




          cenicero is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.











          1. This sentence is a conjunction of two conditionals:


          D→E∧E→D



          You can put it into a single connective by using CB: D↔E




          1. I was taught that "unless" is a flag for the "or" connective, so I will write my answer like that. If you rewrite the sentence to "You don’t think so unless it isn’t true", then the logic you get is:


          ~F∨~D







          share|improve this answer








          New contributor




          cenicero is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.









          share|improve this answer



          share|improve this answer






          New contributor




          cenicero is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.









          answered 1 hour ago









          cenicerocenicero

          311




          311




          New contributor




          cenicero is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.





          New contributor





          cenicero is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.






          cenicero is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.













          • Thank you so much for your response. For #2, however, I was recently taught that “X, unless Y” is the same (usually) as ~Y > X. Would it be possible to write it out then as ~~D > ~F, which would just be D > ~F?

            – A. Delarge
            51 mins ago



















          • Thank you so much for your response. For #2, however, I was recently taught that “X, unless Y” is the same (usually) as ~Y > X. Would it be possible to write it out then as ~~D > ~F, which would just be D > ~F?

            – A. Delarge
            51 mins ago

















          Thank you so much for your response. For #2, however, I was recently taught that “X, unless Y” is the same (usually) as ~Y > X. Would it be possible to write it out then as ~~D > ~F, which would just be D > ~F?

          – A. Delarge
          51 mins ago





          Thank you so much for your response. For #2, however, I was recently taught that “X, unless Y” is the same (usually) as ~Y > X. Would it be possible to write it out then as ~~D > ~F, which would just be D > ~F?

          – A. Delarge
          51 mins ago


















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