Question

Informal logic __________. primarily studies the mathematical properties of languages studies arguments as they exist in everyday language studies formal validity without a focus on everyday usages of critical thinking seeks to validate whatever one already thinks is true

Answer 1

The answer: Studies arguments as they exist in every day. 
Informal Logic is a term for any of the diverse approaches of analyzing and gauging arguments in everyday life. It is otherwise known as a substitute for formal or mathematical logic.