The craft of the mathematical tools are a pen and paper: as a result, no mathematician takes them with him, and should always borrow a pen and write on a […]
Eric Temple Bell (1883-1960)
Of course’ it is the most dangerous word in mathematics.
Leonardo da Vinci (1452-1519)
O investigating, studied mathematics, and not built without foundations.
Georg Cantor (1845-1918)
In particular, introducing new numbers, math has the sole obligation to give the definitions of them, by means of which will be given a definable and, if circumstances permit, such […]