Why cant I redefine the variable defined in a -LSB- math -RSB- \ texttt -LCB- if -RCB- -LSB- / math -RSB- or -LSB- math -RSB- \ texttt -LCB- if -RCB- -LSB- / math -RSB- -- -LSB- math -RSB- \ texttt -LCB- else -RCB- -LSB- / math -RSB- statement after the statement ended ?
`` Why do other countries use the plural '' `` maths '' '' , but America uses the singular '' `` math '' '' in a broader context ? ''