NEITHER Dr. Hilbert nor the reviewer make any suggestion that the commutative law of addition is best proved as a deduction from the laws of multiplication. But the laws of multiplication are so ...

Marcelo E. Coniglio, Francisco Miraglia, Non-Commutative Topology and Quantales, Studia Logica: An International Journal for Symbolic Logic, Vol. 65, No. 2 (Jul., 2000), pp. 223-236 Free online ...

William Browder, Homotopy Commutative H-Spaces, Annals of Mathematics, Vol. 75, No. 2 (Mar., 1962), pp. 283-311. Free online reading for over 10 million articles; Save and organize content with ...