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21 Cards in this Set

  • Front
  • Back
A prop is false
O prop is?
true
I prop is false
A prop is?
false
A prop is true
I prop is?
true
A prop is false
I prop is?
false/true
O prop is false
E prop is?
false
E prop is true
O prop is?
true
E prop is false
A prop is?
true
A prop is true
E prop is?
false
O prop is false
I prop is?
true
I prop is true
O prop is?
A prop is?
E prop is?
true/flase
false/true
false
define valid argument 1
the conclusion follows necessarily from the premise sets
All A-B
All C-A
All C-B

and

All A-B
All B-C
All A-C
define valid argument 2
if the premise set is true then the conclusion cannot be false
define sound argument
a valid argument w/ true premise set
define logical equivalence
2 sentences are logically equivalent if they have the same truth value and same meaning
define distribution
a term (S,P,M) is distributed if it refers to all members of class named by that term; undistributed otherwise
Form number?
M P
\
S M
1
Form number?
P M
|
S M
2
Form number?
M P
|
M S
3
Form number?
P M
/
M S
4
for, since, because, in as, much as
premise indicators
so, thus, therefore, consequently, hence, it follows that
conclusion indicator