B-A complem=A intersection B
Answers
Answered by
0
A-B means everything in A except for anything in A∩B
A-B=A∩Bc (A intersect B complement)
pick an element x
let x∈(A-B)
therefore x∈A but x∉B
x∉B means x∈Bc
x∈A and x∈Bc
x∈(A∩Bc)
x∈(A-B)
therefore A-B=A∩Bc
A-B=A∩Bc (A intersect B complement)
pick an element x
let x∈(A-B)
therefore x∈A but x∉B
x∉B means x∈Bc
x∈A and x∈Bc
x∈(A∩Bc)
x∈(A-B)
therefore A-B=A∩Bc
Similar questions