Political Animal

Politics Aristotle says man (anthropoids) is a political animal, on the same page he asserts that man (anthropoids) is the only animal endowed with speech (logos.) It is as if Aristotle is offering two definitions of what it means to be human. One is Than is the political animal;’ the other is ‘man is the rational animal,’ since logos also means reason. How does Book 1 of the Politics argue about what it means to be human that shows they complement one another?. (Read from 12531 through to end of Chapter 3). 
What is the relationship between truth and validity?