Distribution law (a+b)*c=a*c+b*c

Law of association (a*b)*c=a*(b*c)

Discrete mathematics set part

Distribution law A∪(B∪C)=(A∪B)∪( A∪C)

A∩(B∪C)=(A∪B)∩(A∪C)

A∩(B⊕C)=(A∩B)⊕(A∩C) ⊕ is the symmetry difference.

Law of association (A∪B)∪C=A∪(B∪C)

(A∩B)∩C=A∩(B∩C)

(A⊕B)⊕C=A⊕(B⊕C)