Lafari@lemmy.world to No Stupid Questions@lemmy.world · 7 months agoIs "If A then B" equal to "B if and only if A"?message-squaremessage-square61fedilinkarrow-up151arrow-down111
arrow-up140arrow-down1message-squareIs "If A then B" equal to "B if and only if A"?Lafari@lemmy.world to No Stupid Questions@lemmy.world · 7 months agomessage-square61fedilink
minus-squareBoinkage@lemmy.worldlinkfedilinkarrow-up9·edit-27 months agoYa wrong. If Tuesday, then pizza. And, if Friday, then pizza. The contrapositive : if not pizza, then not Tuesday and not Friday. What day is it? We’re not having pizza. So it’s not Tuesday or Friday. Google contrapositives then holla back
Ya wrong.
If Tuesday, then pizza. And, if Friday, then pizza.
The contrapositive : if not pizza, then not Tuesday and not Friday.
What day is it? We’re not having pizza. So it’s not Tuesday or Friday.
Google contrapositives then holla back
That’s a key detail I now see