Question
~ (p $\leftrightarrow$ ~ ~ p)

Answer

Truth table:
  1 2 3 4 5
p ~ p ~ ~ p p $\leftrightarrow$ ~ ~ ~ (p $\leftrightarrow$ ~ ~ p)
1 T F T T F
2 F T F T F
  1(~) 2 (~) 1, 3 ($\leftrightarrow$) 4 (~)
Decision of the type of form for the statement: Looking at the fact sheet above, it will be seen that the form given for the statement is presented in column 5. All rows in this column have an 'F'. This means that all substitutions for this form of statement are untrue. So it is clear that this form of statement is 'tadevarthaka'.

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