Philosophy of knowledge

If you read this app you can learn about philosophy of knowledge.
Knowledge acquisition involves complex cognitive processes: perception, communication, and reasoning;while knowledge is also said to be related to the capacity of acknowledgement in human beings.
Philosophy is the study concerning matters such as language, knowledge, values, reason, thoughts, and presence.
The term was coined by Pythagoras ( 570-495 ). Philosophical methods comprise critical conversation, questioning, rational argument, and demonstration.
Questions include: Is it feasible to know anything and to prove it? What is real? Philosophers pose concrete and practical questions like: Is there a way to live?
Is it better to be unjust or just ? Do humans have free will? this app you can know.