SADI Muslihuddin Abumuhammad Abdulloh ibni Mushrifuddin (1203/8, Sheroz—1292, hamon jo), shoir, nasrnavis va mutafakkiri fors-tojik. …
Mufassal »MAJMUI ZICh
MAJMUI ZICh, mafhumi nazariyai majmuho. Agar dar atrofi nuqtai dilkhohi majmui R nuqtai majmui M yoft shavad, majmui M dar fazoi topologi majmui zich nomida meshavad. Mas., majmui adadhoi rasionali dar majmui hamai adadhoi haqiqi zich ast. Agar R=M boshad, majmui Af-po majmui zichi khos menomand.
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