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5 Written questions
5 Multiple choice questions
 mathematical objects do not exist
 mathematical objects are aggregates (i.e. sets) of physical objects
 mathematical objects are intuitions of time and space
 mathematical objects just are physical objects
 mathematical objects exist in physical objects
4 True/False questions

Subjective → mathematical objects are part of the mental fabric shared by all humans

Aristotelian idealism → mathematical objects exist in physical objects

realism → Ontology: mathematical objects exist objectively, independent of mathematician

nihilistic → mathematical objects exist, but depend on the (human) mind