Determine whether the following symbolized argument is valid or invalid. If invalid, provide a counterexample; if valid, construct a deduction.P ? QQ ? RR ? S(P ? S) ? (Q ? ~P)~P/? ~Q
What will be an ideal response?
Invalid.
P = F
Q = T
R = T
S = T
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By applying the rules Bicond and DN to "B ? ~ A" we can deduce
A) (B ? ~ A) v (~ B ? A) B) (~ B ? ~ A) v (~ B ? A) C) (B ? ~ A) v (~ B ? ~ A)
INSTRUCTIONS: Select the answer that best characterizes each immediate inference. Adopt the Aristotelian standpoint for these problems. All charitable contributions are tax-deductible gifts. Therefore, all tax-deductible gifts are charitable contributions
A) Invalid, illicit contrary. B) Valid, no fallacy. C) Invalid, illicit conversion. D) Invalid, illicit obversion. E) Invalid, existential fallacy.
The philosophical approach to knowledge known as _________claims that knowledge comes from, or arises in, our minds
Fill in the blank(s) with the appropriate word(s).
Amaterasu is Goddess of the
a. air b. moon c. sun d. planets