Full Idea
The usual formal laws of arithmetic are the Commutative Law [a+b=b+a and axb=bxa], the Associative Law [(a+b)+c=a+(b+c) and (axb)xc=ax(bxc)], and the Distributive Law [a(b+c)=ab+ac)].
Gist of Idea
The formal laws of arithmetic are the Commutative, the Associative and the Distributive
Source
Bertrand Russell (Introduction to Mathematical Philosophy [1919], IX)
Book Reference
Russell,Bertrand: 'Introduction to Mathematical Philosophy' [George Allen and Unwin 1975], p.94