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Show that p → q and q → p are not equivalent

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प्रश्न

Show that p → q and q → p are not equivalent

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योग
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उत्तर

p q p → q q → p
T T T T
T F F T
F T T F
F F T T

From the table, it is clear that

p → q ≠ q → P

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Mathematical Logic
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 12: Discrete Mathematics - Exercise 12.2 [पृष्ठ २४९]

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सामाचीर कलवी Mathematics - Volume 1 and 2 [English] Class 12 TN Board
अध्याय 12 Discrete Mathematics
Exercise 12.2 | Q 10 | पृष्ठ २४९

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19 is a prime number or all the angles of a triangle are not equal


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19 is a prime number and all the angles of a triangle are equal


Which one of the following sentences is a proposition?

4 + 7 = 12


Which one of the following sentences is a proposition?

How tall this mountain is!


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If x and y are numbers such that x = y, then x2 = y2


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T F (b)
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Choose the correct alternative:

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Choose the correct alternative:

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(b) 3 + 2 = 5 and 6 + 1 = 7
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