This site contains: mathematics courses and book; covers: image analysis, data analysis, and discrete modelling; provides: image analysis software. Created and run by Peter Saveliev.

From Intelligent Perception

Given a statement,

 A => B, 

then the statement

 B => A 

is its converse.

One doesn't follow from the other.

Example: f is differentiable => f is continuous.

And don't confuse with contrapositive.