Use the change of quantifier rule together with the eighteen rules of inference to derive the conclusions of the following symbolized argument. Do not use eithe conditional proof or indirect proof. NOTE: Throughout, in the proof checker tool, CQ, which stands for Change of Quantifier Rule, is used instead of QN, which stands for Quantifier Negation Rule. Please remember to use CQ whenever you wish to apply the Quantifier Negation Rule, QN. A B C Xx (3x) (x) 3 CQ MP Dist 1 2 3 UI MT DN UG HS Trans PREMISE ● PREMISE (x) Ax (3x)~Bx PREMISE DV EI ~(x)Bx (3x)~Cx EG Id DS CD Impl Equiv ( ) { } Simp Conj Add Exp Taut ACP CONCLUSION (x)Cx (3x) ~ Ax DM CP [] Com AIP Assoc IP

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Use the change of quantifier rule together with the eighteen rules of inference to derive the conclusions of the following symbolized argument. Do not use either
conditional proof or indirect proof.
NOTE: Throughout, in the proof checker tool, CQ, which stands for Change of Quantifier Rule, is used instead of QN,
which stands for Quantifier Negation Rule. Please remember to use CQ whenever you wish to apply the Quantifier
Negation Rule, QN.
A B C x
(3x) (x) 3
CQ
MP
Dist
1
2
3
UI
MT
DN
UG
HS
Trans
PREMISE
(x) Ax (3x) ~ Bx
PREMISE
EI
PREMISE
DV
DS
Impl
~(x)Bx (3x) ~Cx
EG
=
Id
CD
Equiv
=
# () { } [ ]
Simp
Exp
CONCLUSION
(x)Cx (3x) ~ Ax
Conj Add
Taut
ACP
DM
CP
Com
AIP
Assoc
IP
Transcribed Image Text:Use the change of quantifier rule together with the eighteen rules of inference to derive the conclusions of the following symbolized argument. Do not use either conditional proof or indirect proof. NOTE: Throughout, in the proof checker tool, CQ, which stands for Change of Quantifier Rule, is used instead of QN, which stands for Quantifier Negation Rule. Please remember to use CQ whenever you wish to apply the Quantifier Negation Rule, QN. A B C x (3x) (x) 3 CQ MP Dist 1 2 3 UI MT DN UG HS Trans PREMISE (x) Ax (3x) ~ Bx PREMISE EI PREMISE DV DS Impl ~(x)Bx (3x) ~Cx EG = Id CD Equiv = # () { } [ ] Simp Exp CONCLUSION (x)Cx (3x) ~ Ax Conj Add Taut ACP DM CP Com AIP Assoc IP
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