Changes

:<math>a^3 + b^3 = c^3</math>

:<math>a^3 + b^3 = c^3</math>

has no solutions using whole numbers higher than zero.

has no solutions using positive whole numbers.

It was conjectured by the French mathematician [[Pierre de Fermat]].  He said he had proved this problem but that there was not enough room in the margin to state his proof:<ref>Nagell 1951, p. 252.</ref>

It was conjectured by the French mathematician [[Pierre de Fermat]].  He said he had proved this problem but that there was not enough room in the margin to state his proof:<ref>Nagell 1951, p. 252.</ref>