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bmpBest ResponseYou've already chosen the best response.0
But \[¬B \implies ¬A\] is not neccessarily true.
 2 years ago

maitre_kaioBest ResponseYou've already chosen the best response.2
To illustrate the previous sentence: I'm a male => I'm human is true I'm human => I'm a male is false I'm not human => I'm not a male is true
 2 years ago

2bornot2bBest ResponseYou've already chosen the best response.1
a<=>b does it mean b<=>a?
 2 years ago

Tomas.ABest ResponseYou've already chosen the best response.0
a⟹b is not logically equivalent to b⟹a however a⇔b is logically equivalent to b⇔a
 2 years ago

maitre_kaioBest ResponseYou've already chosen the best response.2
I often find useful to think with diagrams: dw:1325435683348:dw if a then b (if I'm in A, then I'm in B). So it's clear the opposite is not necessary true. But if I'm not in B, then I'm not in A
 2 years ago
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