Lindemann had proved that π is transcendental in 1882, and in a lecture given in 1886 Kronecker complimented Lindemann on a beautiful proof but, he claimed, one that proved nothing since transcendental numbers did not exist.
Lindemann had na ang π ay transendental sa 1882, at sa isang panayam na ibinigay sa 1886 Kronecker complimented Lindemann sa isang beautiful patunay ngunit, siya inaangkin, isa na proved wala dahil transendental numero ay hindi na umiiral.