8ccb22b7_Math_Maturity___IAE_Pedia__Math_Cognitive_Developments
[Stage & Name] Level 5. Abstract mathematical operations. Moving far beyond math formal operations. [Math Cognitive Developments] 
Mathematical content proficiency and maturity at the level of contemporary math texts used at the upper division undergraduate level in strong programs, or first year graduate level in less strong programs. Good ability to learn math through some combination of reading required texts and other math literature, listening to lectures, participating in class discussions, studying on your own, studying in groups, and so on. Solve relatively high level math problems posed by others (such as in the textbooks and course assignments). Pose and solve problems at the level of one’s math reading skills and knowledge. Follow the logic and arguments in mathematical proofs. Fill in details of proofs when steps are left out in textbooks and other representations of such proofs.
Math Maturity - IAE-Pedia
Math Cognitive Developments