5 7 5 ▁CPU , ▁and ▁has ▁ 5 1 2 MB ▁of ▁RAM . ▁There ▁also ▁exists ▁a ▁dual - SI M ▁variant ▁called ▁L G ▁Opt im us ▁L 5 ▁II ▁D ual ▁( E 4 5 5 ). ▁ ▁See ▁also ▁ ▁L G ▁Opt im us ▁ ▁List ▁of ▁L G ▁mobile ▁ph ones ▁ ▁Com parison ▁of ▁smart ph ones ▁ ▁References ▁ ▁Category : Android ▁( oper ating ▁system ) ▁devices ▁Category : Sm art ph ones ▁Category : L G ▁Electron ics ▁mobile ▁ph ones <0x0A> </s> ▁In ▁soci ology , ▁anth rop ology , ▁and ▁lingu istics , ▁struct ural ism ▁is ▁the ▁method ology ▁that ▁implies ▁elements ▁of ▁human ▁culture ▁must ▁be ▁understood ▁by ▁way ▁of ▁their ▁relationship ▁to ▁a ▁bro ader , ▁over arch ing ▁system ▁or ▁structure . ▁It ▁works ▁to ▁un cover ▁the ▁structures ▁that ▁under lie ▁all ▁the ▁things ▁that ▁humans ▁do , ▁think , ▁perce ive , ▁and ▁feel . ▁Alternatively , ▁as ▁summar ized ▁by ▁phil os opher ▁Simon ▁Black burn , ▁struct ural ism ▁is ▁" the ▁belief ▁that ▁phen omena ▁of ▁human ▁life ▁are ▁not ▁intellig ible ▁except ▁through ▁their ▁inter rel ations . ▁These ▁relations ▁const itute ▁a ▁structure , ▁and ▁behind ▁local ▁variations ▁in ▁the ▁surface ▁phen omena ▁there ▁are ▁constant ▁laws ▁of ▁abstract ▁structure ". ▁ ▁Struct ural ism ▁in ▁Europe ▁developed ▁in ▁the ▁early ▁ 1 9 0 0 s , ▁mainly ▁in ▁France ▁and ▁Russian ▁Empire , ▁in ▁the ▁struct ural