ratio
— Noun
– English
～ the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree; "an inordinate proportion of the book is given over to quotations"; "a dry martini has a large proportion of gin"
ratio
— Noun
– English
～ the relative magnitudes of two quantities (usually expressed as a quotient)
ratiocinate
— Verb
– English
～ reason methodologically and logically
ratiocination
— Noun
– English
～ the proposition arrived at by logical reasoning (such as the proposition that must follow from the major and minor premises of a syllogism)