Question

Write a statement that is logically equivalent to the statement below. Demonstrate it is logically equivalent by citing evidence to justify your statement:

If today is a weekday, then it is not Saturday.
original -> if p then q
logically equivalent( contrapositive) -> if not q then not p
logically equivalant statement: If it's Saturday, then today isn't a weekday.

Answer 1

is that good enough? @Directrix

Answer 2

@Leader :)

Answer 3

I guess :)

Answer 4

Well anything you do is perfect, so... :)

Answer 5

lol thanks :) @Leader

Answer 6

If today is a weekday, then it is not Saturday.

p: today is a weekday

q: today is Saturday


original -> if p then ~ q

The contrapositive is logically equivalent to the original statement.

Contraposite: If NOT ~ q, the ~ p.
If q, then not p.


If today is Saturday, then then today is not a weekday.

Answer 7

thanks @Directrix :)

Answer 8

What does this mean you are to do:

Demonstrate it is logically equivalent by citing evidence to justify your statement:

Answer 9

citing evidence: http://openstudy.com/study#/updates/54e11266e4b07f4a24c02041

Answer 10

;)

Answer 11

What is the evidence?

Answer 12

evidence ? @Leader o.O ?

Answer 13

the link is my question lol

Answer 14

I can't get the link to open for some reason.

Answer 15

it's my current question @Directrix xD

Answer 16

Haha. Took you guys a while to figure it out ;)

Answer 17

xD pfftttt not really @Leader

Answer 18

How long is it going to take for you to deliver the evidence? @Leader :)

Answer 19

it really took a while -_- @Leader

Answer 20

@Directrix They usually give me a week in court. But I don't think @Godlovesme has that much time. ;P

Answer 21

hahahahaha :') lol

Answer 22

@Godlovesme I am thinking that the evidence is/are the steps I wrote in explaining how to get the contrapositive from the original statement. I don't know what else it could be.

Answer 23

that makes sense :) thanks guys @Directrix and @Leader (TsO) ;)

Answer 24

Np :)