Proof:

$\backslash$table$[[$Statements$,$Reasons$],[1.((AB)\frac{-}{b}ar(B-A))(AB),$Glven$],[2.((AB)\frac{}{b}ar(\frac{?}{\text{b}\text{a}\text{r}}(B-A)))(AB),],[3.((AB)(B-A))(AB),$Question #$19],[4.((AB)(B\frac{}{b}ar(A)))(AB),$Question #$20$ #$21],[5.1((AB)B)\frac{}{b}ar(A),$Question #$22],[6.((B(BA))\frac{}{b}ar(A))(AB),$Question #$23],[7.(B\frac{}{b}ar(A))(AB),$Question #$25],[8.(B\frac{}{b}ar(A))(BA),$Question #$26],[9.B(\frac{?}{\text{b}\text{a}\text{r}}(A)A),$Question#$27],[10.BU,],$

Question#$28[11.B,]]$

Identify the reason that belongs in the

Set Subtraction Law

Double Complement Law

Idempotent Laws

Associative Laws

Commutative Laws

Distributive Laws

Identity Laws

Domination Laws

Complement Laws

De Morgan's Laws

Absorption Laws