→the three phases of the learning cycle×information gathering×concrete×unclear_about_the_achievement_condition×divide×(1.3.1)_learn_from_what_you_want_to_know×(1.3.2)_requirement_for_learning_from_what_you_want_to_know×(1.3.3)_learn_roughly_first×(1.3.4)_learn_from_one_end→