ot le ▁▁ ▁Greek ▁philosophy ▁emphas ized ▁the ▁distinction ▁between ▁" n ature " ▁( ph ysis , ▁ φ ú σ ι ς ) ▁on ▁the ▁one ▁hand ▁and ▁" law ", ▁" custom ", ▁or ▁" con vention " ▁( nom os , ▁ ν ó μ ος ) ▁on ▁the ▁other . ▁What ▁the ▁law ▁commanded ▁would ▁be ▁expected ▁to ▁vary ▁from ▁place ▁to ▁place , ▁but ▁what ▁was ▁" by ▁nature " ▁should ▁be ▁the ▁same ▁everywhere . ▁A ▁" law ▁of ▁nature " ▁would ▁therefore ▁have ▁the ▁flav or ▁more ▁of ▁a ▁par ado x ▁than ▁something ▁that ▁obviously ▁existed . ▁Again st ▁the ▁conventional ism ▁that ▁the ▁distinction ▁between ▁nature ▁and ▁custom ▁could ▁eng ender , ▁S ocr ates ▁and ▁his ▁philosoph ic ▁he irs , ▁Pl ato ▁and ▁Arist ot le , ▁pos ited ▁the ▁existence ▁of ▁natural ▁justice ▁or ▁natural ▁right ▁( d ika ion ▁phys ikon , ▁ δ ι κ α ι ο ν ▁ φ υ σ ι κ ο ν , ▁Latin ▁i us ▁natur ale ). ▁Of ▁these , ▁Arist ot le ▁is ▁often ▁said ▁to ▁be ▁the ▁father ▁of ▁natural ▁law . ▁ ▁Arist ot le ' s ▁association ▁with ▁natural ▁law ▁may ▁be ▁due ▁to ▁the ▁interpretation ▁given ▁to ▁his ▁works ▁by ▁Thomas ▁Aqu inas . ▁But ▁whether ▁Aqu inas ▁correctly ▁read ▁Arist ot le ▁is ▁in ▁dispute . ▁According ▁to ▁some , ▁Aqu inas ▁confl ates ▁natural ▁law ▁and ▁natural ▁right , ▁the ▁latter ▁of ▁which ▁Arist