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U Vikipediyi ye statti pro inshi znachennya cogo termina Ideal Ideal v teoriyi poryadku pidmnozhina I chastkovo vporyadkovanoyi mnozhini P dlya yakoyi vikonuyutsya umovi Dlya dovilnih x I y P yaksho y x to y I nizhnya mnozhina Dlya dovilnih x y I isnuye z I takij sho x z ta y z spryamovana vverh mnozhina Dlya gratok viznachennya idealu perefrazovuyetsya tak pidmnozhina I gratki P ye idealom todi i tilki todi koli nizhnya mnozhina zamknuta vidnosno operaciyi join tobto dlya dovilnih x y I element x displaystyle vee y I Ideal ponyattya dvoyiste do filtra Zmist 1 Prostij ideal 2 Maksimalnij ideal 3 Divis takozh 4 DzherelaProstij ideal RedaguvatiProstij ideal ideal dopovnennyam yakogo ye filtr Maksimalnij ideal RedaguvatiMaksimalnij ideal ideal dlya yakogo ne isnuye bilshogo ideala Divis takozh RedaguvatiIdeal algebra Filtr poryadok Teorema pro bulevi prosti idealiDzherela RedaguvatiBirkgof G Teoriya reshyotok per s angl V N Salij pod red L A Skornyakova 3 e Moskva Nauka 1984 568 s ros Otrimano z https uk wikipedia org w index php title Ideal poryadok amp oldid 36610145