00000na 22 1 4507400732012Palgrave Macmillan UK Frege’s Notations: What They Are and How They Mean نمادهای فرگه: چه هستند و چه معنایی دارند [کتاب انگلیسی]Frege’s Notations: What They Are and How They MeanGregory Landini (auth.)bookportal_libbookportal_libEnglish