I also find it funny when mathematicians pejoratively speak of “recreational mathematics” (problem solving) as opposed to theory building: “If I build a lego hat, 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” (problem solving) as opposed to theory building: “If I build a lego hat, that’s just for fun, but if I build a lego Empire State Building, that’s serious business!”