PRINSIPI NOMUAYYaNI, ta nosubi nomuayyaniho, tan o s u b i nosahehiho, az nuqtahoi asosii mekhanikai kvantist, ki bino ba on du buzurgii hamtarhi ba yak obekti fiziki mansub (masalan, koordinata va impulsi elektron)-ro dar yak vaqt aniq muayyan kardan mumkin nest. Pripsipi nomuayyaniro V. Geyzenberg soli 1927 kashf kardaast. Pripsipi nomuayyani tabiati dugonai khosiyati zarrahoi materiya (dar ayni zamon khosiyati ham korpuskula va ham mavjrodoshtani onho) -ro ifoda menamoyad. Az Pripsipi nomuayyani chunin barmeoyad: yake az buzurgihoi ba nobarobarii mazkur dokhilshavanda dar qadar aniq muayyan karda shavad, qimati buzurgii digar hamon qadar nomuayyan memonad. Dar zimni yagon sanjishu ozmoish dar du tagyiryobandai dinamikiro ba haddi barobar aniq muayyan kardan mumkin nest, zero in nomuayyani ba daqiqii khudi asbobi andozagir vobasta nabuda, az khosiyathoi obektivi materiya barmeoyad. Pripsipi nomuayyani hadde yo sadde nest, ki jarayoni donishi insonro mahdud kunad. Tabiri materialistonai Pripsipi nomuayyani khulosahoi faylasufoni agnostikro rad namuda, dar ayni zamon makhsusiyathoi marifati zarrahoi elementarii materiyaro ba hisob megirad.
A. Tursunov.