Lafari@lemmy.world to No Stupid Questions@lemmy.world · 1 年前Is "If A then B" equal to "B if and only if A"?message-squaremessage-square60fedilinkarrow-up150arrow-down111
arrow-up139arrow-down1message-squareIs "If A then B" equal to "B if and only if A"?Lafari@lemmy.world to No Stupid Questions@lemmy.world · 1 年前message-square60fedilink
No.