Question
~ Q v R

Answer

Truth table:
Column $\rightarrow$ 1 2 3 4
Row $\downarrow$ Q P ~ Q ~ Q v P
1 T T F T
2 T F F F
3 F T T T
4 F F T T
  1(~) 3, 2 (v)
Explanation: ~ Q v P is the column no. 1 and 2 are the pillars, while the rest
There are two secondary columns. Column no. 4 presents the whole complex joint statement. Column no. 4 The following facts become clear:
(1) According to the first row if P is true and Q is true, then ~ Q v P is the whole statement truth.
(2) According to the second row, if P is true and Q is false, then ~ Q v P is the whole statement is true.
(3) According to the third row, if P is untrue and Q is true, then the whole statement ~ Q v P is untrue.
(4) According to the fourth row, if P is untrue and Q is untrue, then the whole statement ~ Q v P is true.

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