Sufficient / Necessary Terms Flashcards
1
Q
All
A
Sufficient
2
Q
Any
A
Sufficient
3
Q
Any Time
A
Sufficient
4
Q
Any Place
A
Sufficient
5
Q
Anybody
A
Sufficient
6
Q
Every
A
Sufficient
7
Q
Every time
A
Sufficient
8
Q
Everybody
A
Sufficient
9
Q
Whenever
A
Sufficient
10
Q
Each
A
Sufficient
11
Q
None
A
Sufficient - Sets up Mutually Exclusive relationship
12
Q
Never
A
Mutually Exclusive
13
Q
Not
A
Sufficient
14
Q
Not One
A
Sufficient
15
Q
Only
A
Necessary
16
Q
Only if
A
Necessary
17
Q
The Only
A
Sufficient
18
Q
No X Unless Y
A
If X then Y
19
Q
A Unless B
A
If Not A then B
20
Q
If, But Only If
A
X Y (Bi-Conditional) Both Suf/Nec. for each other
21
Q
If, and Only IF
A
X Y (Bi-Conditional) Both Suf/Nec. for each other
22
Q
“Or” by itself
A
Does Not Denote Mutual Exclusivity
23
Q
Can have the result (the necessary)
A
without the trigger (the sufficient)
24
Q
Then
A
Necessary
25
Requires
Necessary
26
Guarantees
Necessary
27
Must
Necessary
28
Necessary
Necessary
29
Bound to lead
Necessary
30
Are destined to
Necessary
31
Results In
Necessary
32
Produces
Necessary
33
Sure to
Necessary
34
Always
Necessary
35
Depends on
Necessary
36
Without
Necessary
37
If
Sufficient
38
Then
Necessary
39
No
Sufficient
40
Incapable
Mutually Exclusive
41
Impossible
Mutually Exclusive
42
Cannot
Mutually Exclusive
43
Never
Mutually Exclusive
44
All C are D
If C -> D
45
Every E is F
If E -> F
46
If G then Not H
If G -> ~H
47
No I are J
If I -> ~J
48
Only K are L
If L -> K
49
M only if N
If M -> N
50
The only O are P
If O -> P
51
S unless T
If ~S -> T
52
Without W, No X
If X -> W
53
Neither .... Nor
= Not A AND Not B
54
Every shirt Norah wear is either purple or yellow, but never both
If Norah's shirt -> Purple or Yellow (but not both)
~Purple and ~Yellow -> ~Norah's Shirt
*If Purple AND Yellow -> ~Norah's Shirt
55
How to handle the term "unless"
The term after "unless" is the necessary. Then negate the sufficient term.
Ex: No X Unless Y = If X then Y
Ex: A Unless B = If Not A then B
56
Of which
Sufficient
