Learn More
We formalize the localization [1, II, §4] of a commutative ring R with respect to a multiplicative subset (i.e. a submonoid of R seen as a multiplicative monoid). This localization is itself a(More)
I AGREE with Mr. Piaggio that projective geometry is a pleasant and suitable subject of study for arts students, especially women, who are reading for honours with a view of entering the teaching(More)
  • 1