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5 Written questions
5 Multiple choice questions
 mathematical objects are part of the mental fabric shared by all humans
 mathematical objects just are physical objects
 mathematical objects exist in physical objects
 mathematical objects are intuitions of time and space
 mathematical objects do not exist
4 True/False questions

Millian antirealism → mathematical objects do not exist, but mathematics is about all physical objects. Numbers [numerals] refer to "acts of making"

Aristotelian (fictionalis) antirealism → mathematical objects exist in physical objects

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

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