Assertion: isomorphism | /r/HasProperty | same shape
Facets:
Source sentences:
text: That's cute (and it was more cute to watch him ask a bunch of mathematics undergraduates what an isomorphism is and respond that all of their function- or set-based answers were incomplete), but it still fails to capture in my opinion what isomorphism is all about: same shape, same structure, same basic concept, same mathematics.