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Ronch [10]
4 years ago
9

If p → q is true, then ~ q → ~ p is __________ false. always sometimes never

Mathematics
2 answers:
Stolb23 [73]4 years ago
6 0

Answer:

If p → q is true, then ~ q → ~ p is never false.

Step-by-step explanation:

If p → q is true, then we need to check whether the statement ~ q → ~ p is true or false.

Truth table:

p                 q             ~ p             ~ q           p → q            ~ q → ~ p

T                T                F                F                T                T

T                F                F                T                F                F

F                T                T                F               T                T

F                F                T                T               T                T

From the above table it is clear that p → q is true, then ~ q → ~ p is always true.

If p → q is true, then ~ q → ~ p is never false.

Over [174]4 years ago
4 0
Never I know its never
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