Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing

This Question is Closed

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

maitre_kaio Group TitleBest 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

2bornot2b Group TitleBest ResponseYou've already chosen the best response.1
a<=>b does it mean b<=>a?
 2 years ago

Tomas.A Group TitleBest 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_kaio Group TitleBest 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
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.