Current location - Training Enrollment Network - Mathematics courses - In terms of mathematical formula, does the negative proposition contradict the original proposition? Please ask the great god to answer in detail. Thank you.
In terms of mathematical formula, does the negative proposition contradict the original proposition? Please ask the great god to answer in detail. Thank you.
Not contradictory, but not causal.

-

Suppose the original name is: if p, then q;

Then the negative proposition is: if it is not P, it is not Q;

When the original proposition holds, the negative proposition may or may not hold, so the two are not contradictory.