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Assume that two given statements p and q...

Assume that two given statements p and q are both true and indicate whether or not you would expect each of the following statements to be true :
`(~p)vv(~q)`

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The correct Answer is:
To determine the truth value of the statement \( (~p) \lor (~q) \) given that both statements \( p \) and \( q \) are true, we can follow these steps: ### Step 1: Understand the Given Statements We are given that: - \( p \) is true (denoted as 1) - \( q \) is true (denoted as 1) ### Step 2: Find the Negations Next, we need to find the negations of \( p \) and \( q \): - The negation of \( p \) is \( ~p \). Since \( p \) is true, \( ~p \) will be false (denoted as 0). - The negation of \( q \) is \( ~q \). Since \( q \) is true, \( ~q \) will also be false (denoted as 0). ### Step 3: Evaluate the Union of Negations Now, we need to evaluate the expression \( (~p) \lor (~q) \): - We have \( ~p = 0 \) and \( ~q = 0 \). - The union (logical OR) of \( ~p \) and \( ~q \) is \( 0 \lor 0 \). ### Step 4: Determine the Result The result of \( 0 \lor 0 \) is 0, which means the expression \( (~p) \lor (~q) \) is false. ### Conclusion Thus, the statement \( (~p) \lor (~q) \) is false when both \( p \) and \( q \) are true. ---
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ICSE-MATHEMATICAL REASONING-EXERCISE 27 (D)
  1. Let a,b,c and d represent simple statements. Assume that a ^^ d is t...

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  2. Let a,b,c and d represent simple statements. Assume that a ^^ d is t...

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  3. Assume that two given statements p and q are both true and indicate wh...

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  4. Assume that two given statements p and q are both true and indicate wh...

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  5. Assume that two given statements p and q are both true and indicate wh...

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  6. Assume that two given statements p and q are both true and indicate wh...

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  7. construct truth table for (~p)^^ q

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  8. construct truth table for (~p)^^ (~q)

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  9. construct truth table for ~(p ^^ q)

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  10. construct truth table for p vv(~q)

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  11. Construct truth table for ~ [ p vv(~ q)]

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  12. construct truth table for ~(~p ^^ ~q)

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  13. construct truth table for (p ^^q) v (~p ^^ q)

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  14. construct truth table for p ^^ (q vv r)

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  15. construct truth table for (~p ^^ ~q) v(p ^^ ~q)

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  16. construct truth table for (p vv q)vv(r ^^ ~q)

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  17. Let p be " Ananya is beautiful, " and let q be " Ananya is 165 centime...

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  18. Let p be " Ananya is beautiful, " and let q be " Ananya is 165 centime...

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  19. Let p be " Ananya is beautiful, " and let q be " Ananya is 165 centime...

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  20. Let p be " Ananya is beautiful, " and let q be " Ananya is 165 centime...

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