2022/5/1: 1- First chapter Mathematical logic: A friendly introduction 2- First chapter of propositional and predicate calculus 3- finding a job 4- doing chess puzzles (1 category) 5- First chapter of A historical introduction to the philosophy of science 6- 5 problems from timus judge 7- play 1 game from chess.com and check the game analysis 8- contemplate on the chess board and think about Queen