- #1

- 115

- 1

Q(x): x is in this class.

P(x): x has studied calculus.

How come we have Q(x)->P(x) but not Q(x) ^ P(x)? What really is the difference?

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- Thread starter ych22
- Start date

- #1

- 115

- 1

Q(x): x is in this class.

P(x): x has studied calculus.

How come we have Q(x)->P(x) but not Q(x) ^ P(x)? What really is the difference?

- #2

- 2,161

- 79

Q(x): x is in this class.

P(x): x has studied calculus.

How come we have Q(x)->P(x) but not Q(x) ^ P(x)? What really is the difference?

The difference is that one is an implication and the other is a conjunction. The conjunction simply says P and Q which are

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