Demonstrate whether the following arguments and argument patterns are valid or invalid using the short method. 16. Q & P R --> ~Q, So, -R.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Demonstrate whether the following arguments and argument patterns are valid or invalid using the short method.
16. Q & P
R --> ~Q.
So, -R.
17. (Q-->P) VR
EP & R
So -Q
18. Q--> S
-S V -P
R--> P
So, -Q V -R
19. (P & R) -->(E V -S)
S --> O
(N V R) & (S -->P)
-N
So, S --> (O & E)
20. LV (W-->S)
PV -S
-L -->W
So, P
Transcribed Image Text:Demonstrate whether the following arguments and argument patterns are valid or invalid using the short method. 16. Q & P R --> ~Q. So, -R. 17. (Q-->P) VR EP & R So -Q 18. Q--> S -S V -P R--> P So, -Q V -R 19. (P & R) -->(E V -S) S --> O (N V R) & (S -->P) -N So, S --> (O & E) 20. LV (W-->S) PV -S -L -->W So, P
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