Lafari@lemmy.world to No Stupid Questions@lemmy.world · 8 months agoIs "If A then B" equal to "B if and only if A"?message-squaremessage-square54fedilinkarrow-up149arrow-down111
arrow-up138arrow-down1message-squareIs "If A then B" equal to "B if and only if A"?Lafari@lemmy.world to No Stupid Questions@lemmy.world · 8 months agomessage-square54fedilink
minus-squareThoth19@lemmy.worldlinkfedilinkarrow-up1·8 months agoI mean it is the definition of “if and only if”. And by commutativity we also know that A iff B is equal to B iff A
minus-squareRhynoplaz@lemmy.worldlinkfedilinkarrow-up1·8 months agoOh yeah. I was very confused as to what that meant, but I learned something today.
I mean it is the definition of “if and only if”. And by commutativity we also know that A iff B is equal to B iff A
Oh yeah. I was very confused as to what that meant, but I learned something today.