`` Can the statement '' `` X is n times less or smaller than Y be justified when n > 1 ? ''
For any -LSB- math -RSB- A _ -LCB- n \ times n -RCB- -LSB- / math -RSB- , is it possible to show that -LSB- math -RSB- A ^ -LCB- -1 -RCB- -LSB- / math -RSB- is unique ?