LSAT Conditional Statements

Covers conditional statements on the LSAT, including identifying and symbolizing the contrapositive, 'only if' statements, 'unless' statements, necessary and sufficient factors, and absolute statements.

7 cards   |   Total Attempts: 188
  

Related Flashcards

Lsat Vocabulary
2.3 Conditional Statements
French: Future And Conditional Irregular Roots

Related Topics

GRE Flashcards
GRE
AP Flashcards
AP

Cards In This Set

Front Back
What two steps must you take to find the contrapositive of a conditional statement? 
1. Flip and 2. Negate
If you are in Central Park, then you are in Manhattan. 
Being in Central Park is NECESSARY or SUFFICIENT for being in Manhattan? 
Sufficient 
(You could be in Manhattan in other ways than solely being in Central Park).
If you are in Central Park, then you must be in Manhattan. 
Being in Manhattan is NECESSARY or SUFFICIENT for being in Manhattan? 
Necessary
Symbolize: If you are in Central Park, then you are in Manhattan. 
CP --> M
Contrapositive: NOT M --> NOT CP
If Mariwyn has the first appointment, Shannon has the fifth appointment. 
Mariwyn having the first appoint is NECESSARY or SUFFICIENT to tell you that Shannon has the fifth appointment? 
Sufficient
(Shannon could have the fifth appointment in other circumstances) 
Shannon must have the fifth appointment if Mariwyn has the first appointment. 
Shannon having the fifth appointment is NECESSARY or SUFFICIENT for Mariwyn to have the first appointment? 
Necessary
(There is no other way for Mariwyn to have the first appointment). 
Symbolize: If Mariwyn has the first appointment, Shannon has the fifth appointment. 
M1 --> S5
NOT S5 --> NOT M1