Sufficient / Necessary Terms Flashcards
All
Sufficient
Any
Sufficient
Any Time
Sufficient
Any Place
Sufficient
Anybody
Sufficient
Every
Sufficient
Every time
Sufficient
Everybody
Sufficient
Whenever
Sufficient
Each
Sufficient
None
Sufficient - Sets up Mutually Exclusive relationship
Never
Mutually Exclusive
Not
Sufficient
Not One
Sufficient
Only
Necessary
Only if
Necessary
The Only
Sufficient
No X Unless Y
If X then Y
A Unless B
If Not A then B
If, But Only If
X Y (Bi-Conditional) Both Suf/Nec. for each other
If, and Only IF
X Y (Bi-Conditional) Both Suf/Nec. for each other
“Or” by itself
Does Not Denote Mutual Exclusivity
Can have the result (the necessary)
without the trigger (the sufficient)
Then
Necessary
Requires
Necessary
Guarantees
Necessary
Must
Necessary
Necessary
Necessary
Bound to lead
Necessary
Are destined to
Necessary
Results In
Necessary
Produces
Necessary
Sure to
Necessary
Always
Necessary
Depends on
Necessary
Without
Necessary
If
Sufficient
Then
Necessary
No
Sufficient
Incapable
Mutually Exclusive
Impossible
Mutually Exclusive
Cannot
Mutually Exclusive
Never
Mutually Exclusive
All C are D
If C -> D
Every E is F
If E -> F
If G then Not H
If G -> ~H
No I are J
If I -> ~J
Only K are L
If L -> K
M only if N
If M -> N
The only O are P
If O -> P
S unless T
If ~S -> T
Without W, No X
If X -> W
Neither …. Nor
= Not A AND Not B
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
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
Of which
Sufficient
