a noble performance, instinct with sound principle

I don't think any actual Japanese kids own an Xbone. Probably mostly foreigners living in Japan and westaboos.

I need to have a quick whine about my boss before we start talking about the holiday.

It is therefore natural to consider whether precisely this concept of a straight line, with which Kant¹¹ too was familiar, is the reason why Kant in the one passage says that the concept of a straight biangle is free of contradiction.