Law of Detachment / Syllogism Homework

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Law of Detachment / Syllogism Homework

2008-10-12 06:20:11

Noobpatty: ʎʇʇɐdqoou; +194|6806|West NY

I changed out of the honors system at my school to find that I barely remember anything about geometry.
Anyways, I haven't fully grasped the idea of the two laws and could use some help.
I have to determine by which law the third statement follows the first two statements, or if invalid.
The first example is:

(1) If an angle measures more than 90^o, then it is not acute.
(2) m∠ABC = 120^o
(3) ∠ABC is not acute.

Obviously, it's not invalid.
karmaz4halp
All help appreciated,
-nubpatty

2008-10-12 06:23:06

mcminty: Moderating your content for the Australian Govt.; +879|7173|Sydney, Australia

What do you actually need help with?...

2008-10-12 06:23:57

AussieReaper: ( ͡° ͜ʖ ͡°); +5,761|6605|what

You have to determine by which law the third statement follows the first two statements.

Is there a law of deductive reasoning? lol

My programming background would give me the answer along the lines of:

If 2) = 1) Then 3)

Or in reverse logical order:

3) if 2) = 1)

Hope that makes sense.

2008-10-12 06:26:54

Noobpatty: ʎʇʇɐdqoou; +194|6806|West NY

TheAussieReaper wrote:
You have to determine by which law the third statement follows the first two statements.

Is there a law of deductive reasoning? lol

My programming background would give me the answer along the lines of:

If 2) = 1) Then 3)

Or in reverse logical order:

3) if 2) = 1)

Hope that makes sense.

I just need to know by which law the the statements follow, but know not the definitions of either laws ._.

2008-10-12 07:53:46

TimmmmaaaaH: Damn, I... had something for this; +725|6891|Brisbane, Australia

Law of common sense?

https://bf3s.com/sigs/5e6a35c97adb20771c7b713312c0307c23a7a36a.png

2008-10-12 16:52:54

ATLSkyline07: Member; +3|6784|Atlanta

Modus ponens.

if p, then q.
p.
therefore q.

Last edited by ATLSkyline07 (2008-10-12 16:54:39)

2008-10-12 17:04:17

Hurricane2k9: Pendulous Sweaty Balls; +1,538|6154|College Park, MD

Transitive property perhaps?

If A=B and B=C then A=C

https://static.bf2s.com/files/user/36793/marylandsig.jpg

2008-10-12 18:18:30

mcminty: Moderating your content for the Australian Govt.; +879|7173|Sydney, Australia

ATLSkyline07 wrote:
Modus ponens.

if p, then q.
p.
therefore q.

I looked it up, lol.. and that seems like its right.

Pick that one!

2008-10-12 19:59:28

AussieReaper: ( ͡° ͜ʖ ͡°); +5,761|6605|what

C'mon it's gotta be one of these.

TheAussieReaper wrote:
Is there a law of deductive reasoning?

TimmmmaaaaH wrote:
Law of common sense?

ATLSkyline07 wrote:
Modus ponens.

Hurricane2k9 wrote:
Transitive property perhaps?

Let us know what your teacher thinks the answer is so we can all boast about how none of us knew.

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TheAussieReaper wrote:

ATLSkyline07 wrote:

TheAussieReaper wrote:

TimmmmaaaaH wrote:

ATLSkyline07 wrote:

Hurricane2k9 wrote:

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