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"inverse" of If P then Q is if not P then not Q
"if a polygon is NOT regular, then it is NOT convex"
the answer is d D. If a polygon is not convex, then it is not regular.
really? i thought that if the statement is If P then Q converse is If Q then P contrapositive is if not Q then not P inverse is if not P then not Q
so contrapositive is the same as the statement and the inverse is the same as the converse
Can someone explain to me how you got whatever answer you got?
I think they are looking for the contrapositive. If that is the case then it is D
it is d because it is the inverse for example like the opistite
contrapositive? hey im new to this..someone please explain.
what is the difference between contrapositive and converse?
it is the opisite or inverse of what its saying
Hrmm, one second. Maybe there is an inverse statement. Ok inverse is contrapositive of the converse.
yes "inversion" usually means contrapositive of converse.
im confused. someone please explain.
lets go slow
you have a statement that says if P then Q. i use a simple example. if the figure is a square, then it is a rectangle
the "contrapositive" of the statement is an equivalent statement of the form if not Q then not P in this example if the figure is not a rectangle, then it is not a square
a moments thought will convince you that a statement is equivalent to its contrapostive
the answer is d
oh ok. thanks for helping
you have a statement that says if P then Q. i use a simple example. if the figure is a square, then it is a rectanglea moments thought will convince you that a statement is equivalent to its contrapostivea moments thought will convince you that a statement is equivalent to its contrapostive
then there is the "converse" of the statement. that is if Q then P in my example if the figure is a rectangle, then it is a square
clearly that is not the same as the original statement. in fact in this example the original statement is true and the converse is false
afridi the inverse is the contrapositive of the converse. If P -> Q the the inverse is not P -> not Q so its A
What is contrapositive? and What is converse?
and finally there is the "inverse" which as alchemista said is the contrapositive of the converse. it is if not P then not Q. in my example if the figure is not a square, then it is not a rectangle. this is equivalent to the converse, and again in this case it is false.
@nppbleh did you not like my example?
no i got your example..ohhh ok nvm i got it.
i posted another question...can you guys look at it?