Intro to Logic: Logic Indicators Flashcards
if
sufficient
Group 1: Introduces a Sufficient Condition
Sufficient => Necessity
when(ever)
sufficient
Group 1: Introduces a Sufficient Condition
Sufficient => Necessity
where(ever)
sufficient
Group 1: Introduces a Sufficient Condition
Sufficient => Necessity
all
sufficient
Group 1: Introduces a Sufficient Condition
Sufficient => Necessity
the only
sufficient
Group 1: Introduces a Sufficient Condition
Sufficient => Necessity
Per Jenny Ye: The only “only” sufficient condition indicator (i.e. Group 1) is “the only”
every
sufficient
Group 1: Introduces a Sufficient Condition
Sufficient => Necessity
any
sufficient
Group 1: Introduces a Sufficient Condition
Sufficient => Necessity
only
necessary
Group 2: Introduces a Necessary Condition
Sufficient => Necessity
only if
necessary
Group 2: Introduces a Necessary Condition
Sufficient => Necessity
only when
necessary
Group 2: Introduces a Necessary Condition
Sufficient => Necessity
only where
necessary
Group 2: Introduces a Necessary Condition
Sufficient => Necessity
always
necessary
Group 2: Introduces a Necessary Condition
Sufficient => Necessity
requires
necessary
Per James Stevens (author of cards), this is a Group 2: Introduces a Necessary Condition
Sufficient => Necessity
must
necessary
Group 2: Introduces a Necessary Condition
Sufficient => Necessity
unless
negate/ make sufficient
Group 3: Negate then make sufficient
Pick either idea, negate that idea, then make that idea the sufficient.
Sufficient => Necessity
until
negate/sufficient
Group 3: Negate then make sufficient
Pick either idea, negate that idea, then make that idea the sufficient.
Sufficient => Necessity
or
negate/sufficient
Group 3: Negate then make sufficient
Pick either idea, negate that idea, then make that idea the sufficient.
- Inclusive meaning “and/or” - MOST COMMON for LSAT
(Take ECON101 or PoliSci101 or both) - Exclusive meaning “or, but not both”
(Sit at one end of table or the other) - Meaning “and”
(Jane is a faster eater than either Mary or Jane)
Sufficient => Necessity
without
negate/sufficient
Group 3: Negate then make sufficient
Pick either idea, negate that idea, then make that idea the sufficient.
Sufficient => Necessity
no
negate/necessary
Group 4: Negate then make Necessary
Pick either idea, negate that idea, then make that idea the necessary.
Sufficient => Necessity
none
negate/necessary
Group 4: Negate then make Necessary
Pick either idea, negate that idea, then make that idea the necessary.
Sufficient => Necessity
not both
negate/necessary
Group 4: Negate then make Necessary
Pick either idea, negate that idea, then make that idea the necessary.
Sufficient => Necessity
never
negate/necessary
Per James Stevens (author of cards), this is a Group 4: Negate then make Necessary
Pick either idea, negate that idea, then make that idea the necessary.
Sufficient => Necessity
cannot
negate/necessary
Group 4: Negate then make Necessary
Pick either idea, negate that idea, then make that idea the necessary.
Sufficient => Necessity
each
sufficient
Group 1: Introduces a Sufficient Condition
Sufficient => Necessity