Question
$A\ B$
$\therefore B\ \&\ A$

Answer

Truth Table:
  Support Statement The resulting statement
  $1$ $2$ $3$ $4$
$A$ $B$ $A\ \&\ B$ $B\ \&\ A$
$1$ $T$ $T$ $T^*$ $T^*$
$2$ $T$ $F$ $F$ $F$
$3$ $F$ $T$ $F$ $F$
$4$ $F$ $F$ $F$ $F$
  $1, 2 (\&)$ $2, 1 (\&)$
           
Judgment of the validity of the argument: The full four columns are presented in the above truth table. In which the column no. $3$ in Aadhaar statement and column no.$ 4$ is the representation of the result statement. Row out of the total four rows of the truth table. The base statement in $1$ is truth $‘T’$ and the resulting statement of the same row is also truth $‘T’.$ Hence this argument is standard.

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