0 a mathematical plan consisting of overlapping circles that show how things that belong to mathematical sets relate to each other --
1 a drawing of circles that partly cross and cover each other, in which each circle represents a set and an area where they cross contains parts belonging to more than one of the sets --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.