@Lafari@lemmy.world to No Stupid Questions@lemmy.world • 5 months agoIs "If A then B" equal to "B if and only if A"?message-square60fedilinkarrow-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 • 5 months agomessage-square60fedilink
minus-square@Moobythegoldensock@lemm.eelinkfedilink7•edit-25 months ago“If X is cat, then X is mammal” =?> “X is mammal if and only if X is cat” Obviously doesn’t hold: What if X doge?
“If X is cat, then X is mammal” =?> “X is mammal if and only if X is cat”
Obviously doesn’t hold: What if X doge?
Great analogy!