I also find it funny when mathematicians pejoratively speak of “recreational mathematics” or problem-solving as opposed to theory-building: “If I build a lego hut, that’s just for fun, but if I build a lego empire state building, that’s serious business!”
I also find it funny when mathematicians pejoratively speak of “recreational mathematics” or problem-solving as opposed to theory-building: “If I build a lego hut, that’s just for fun, but if I build a lego empire state building, that’s serious business!”