Απορία για περίοδο

Question

&Kappa;&alpha;&lambda;&eta;&sigma;&pi;έ&rho;&alpha; &sigma;&alpha;&sigmaf; &gamma;&iota;&alpha;&tau;&rho;έ. Ή&theta;&epsilon;&lambda;&alpha; &nu;&alpha; &rho;&omega;&tau;ή&sigma;&omega; &epsilon;&pi;&epsilon;&iota;&delta;ή &mu;&omicron;&upsilon; &phi;ά&nu;&eta;&kappa;&epsilon; &pi;&epsilon;&rho;ί&epsilon;&rho;&gamma;&omicron;. &Sigma;&epsilon; &alpha;&upsilon;&tau;ή &tau;&eta; &pi;&epsilon;&rho;ί&omicron;&delta;&omicron; έ&chi;&omega; &lambda;ί&gamma;&eta; &rho;&omicron;ή &delta;&eta;&lambda;&alpha;&delta;ή &sigma;ή&mu;&epsilon;&rho;&alpha; &epsilon;ί&nu;&alpha;&iota; &eta; 3&eta; &mu;έ&rho;&alpha; &kappa;&alpha;&iota; &epsilon;ί&mu;&alpha;&iota; &sigma;&tau;&alpha; &tau;&epsilon;&lambda;&epsilon;&iota;ώ&mu;&alpha;&tau;&alpha; &epsilon;&nu;ώ &sigma;&upsilon;&nu;ή&theta;&omega;&sigmaf; &kappa;&rho;&alpha;&tau;ά&epsilon;&iota; 5 &mu;έ&rho;&epsilon;&sigmaf;. &Tau;&iota;&sigmaf; &pi;&rho;ώ&tau;&epsilon;&sigmaf; 2 &mu;έ&rho;&epsilon;&sigmaf; ή&rho;&theta;&epsilon; &kappa;&alpha;&nu;&omicron;&nu;&iota;&kappa;ά. &Gamma;&iota;&alpha;&tau;ί &mu;&pi;&omicron;&rho;&epsilon;ί &nu;&alpha; &sigma;&upsilon;&mu;&beta;&alpha;ί&nu;&epsilon;&iota; &alpha;&upsilon;&tau;ό?. &Sigma;&eta;&mu;&epsilon;&iota;&omega;&tau;έ&omega;&nu; έ&chi;&omega; &nu;&alpha; έ&rho;&theta;&omega; &sigma;&epsilon; &epsilon;&pi;&alpha;&phi;ή &alpha;&pi;ό 28 &Omicron;&kappa;&tau;&omega;&beta;&rho;ί&omicron;&upsilon; &kappa;&alpha;&iota; &alpha;&upsilon;&tau;ό έ&gamma;&iota;&nu;&epsilon; &mu;&epsilon; &pi;&rho;&omicron;&phi;ύ&lambda;&alpha;&xi;&eta; &kappa;&alpha;&iota; &tau;&epsilon;&lambda;&epsilon;ί&omega;&sigma;&epsilon; &kappa;&alpha;&iota; έ&xi;&omega;.... &Omicron;&pi;ό&tau;&epsilon; &alpha;&pi;ό &tau;&iota; &mu;&pi;&omicron;&rho;&epsilon;ί &nu;&alpha; &epsilon;ί&nu;&alpha;&iota; &eta; &chi;&alpha;&mu;&eta;&lambda;ή &rho;&omicron;ή?