%0 Journal Article %T Extend Bertrand¡¯s Postulate to Sums of Any Primes %A Pham Minh Duc %J Open Access Library Journal %V 10 %N 12 %P 1-4 %@ 2333-9721 %D 2023 %I Open Access Library %R 10.4236/oalib.1110986 %X According to Bertrand¡¯s postulate, we have Pn Pn≥Pn 1. Is it true that for all n>1 then Pn-1 Pn≥Pn 1? Then Pn Pn-i>Pn j where n≥N, N is a large enough value and i, j are natural numbers? %K Bertrand¡¯s Postulate %K Rosser¡¯s Theorem %K L¡¯Hospital Rule %K Prime Number %U http://www.oalib.com/paper/6810311