Question
B v ~ B

Answer

Truth table:
Column $\rightarrow$ 1 2 3
Row $\downarrow$ B ~B B v ~ B
1 T F T
2 F T T
  1 (~) 1, 2 (v)
Explanation: B v ~ B is the column no. 1 is the first column, while the other two are secondary columns, column no. 3 presents the whole complex joint statement. Column no. 3 The following facts become clear:
(1) According to the first row, if B is true, then B v ~ B is the whole statement truth.
(2) According to the second row, if B is untrue, then B v ~ B is the whole statement is true.

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