LSAT - Logical Reasoning With
Revision Questions And Answers 2025
Premise - Answer A fact, proposition or statement from which a conclusion is made
Conclusion - Answer A statement or judgment that follows from one or more reasons.
Conditional Reasoning - Answer A conditional statement is, in its most easily recognized form,
an "if...then..." statement. The following is, for example, a conditional statement. Conditional
statements are also described in terms of sufficient and necessary conditions.
Sufficient - Answer An event or circumstance whose occurrence indicates that a necessary
condition must also occur.
Necessary - Answer An event or circumstance whose occurrence is required in order for a
sufficient condition to occur.
Explain Sufficient Necessary - Answer If a sufficient condition occurs, you automatically know
that the necessary condition also occurs. If a necessary condition occurs, then it is possible that
the sufficient condition will occur, but not certain.
Example of Sufficient Necessary - Answer Banging my shin on the table is all that is needed for
me to scream in pain (i.e. it is sufficient), so banging my shin is considered the sufficient
condition. I cannot bang my shin on the table without screaming in pain (screaming necessarily
follows the banging of my shin), so screaming in pain is the necessary condition. You should be
fine if you can simply remember that the antecedent (the phrase following the "if") is the
sufficient condition for the consequent (the phrase following the "then") and the consequent is
the necessary condition for the antecedent.
Contra-positive - Answer a conditional statement derived from another by negating and
interchanging antecedent and consequent
, LSAT - Logical Reasoning With
Revision Questions And Answers 2025
Premise Indicators - Answer Because
Since
For
For example
For that reason that In that
Given that
As indicated by
Due to
Owing to
This can be seen from
We know this by
Conclusion Indicators - Answer Thus
Therefore
Hence
Consequently
As a result
So
Accordingly
Clearly
Must be that
Shows that
Conclude that
Follows that
For this reason
Revision Questions And Answers 2025
Premise - Answer A fact, proposition or statement from which a conclusion is made
Conclusion - Answer A statement or judgment that follows from one or more reasons.
Conditional Reasoning - Answer A conditional statement is, in its most easily recognized form,
an "if...then..." statement. The following is, for example, a conditional statement. Conditional
statements are also described in terms of sufficient and necessary conditions.
Sufficient - Answer An event or circumstance whose occurrence indicates that a necessary
condition must also occur.
Necessary - Answer An event or circumstance whose occurrence is required in order for a
sufficient condition to occur.
Explain Sufficient Necessary - Answer If a sufficient condition occurs, you automatically know
that the necessary condition also occurs. If a necessary condition occurs, then it is possible that
the sufficient condition will occur, but not certain.
Example of Sufficient Necessary - Answer Banging my shin on the table is all that is needed for
me to scream in pain (i.e. it is sufficient), so banging my shin is considered the sufficient
condition. I cannot bang my shin on the table without screaming in pain (screaming necessarily
follows the banging of my shin), so screaming in pain is the necessary condition. You should be
fine if you can simply remember that the antecedent (the phrase following the "if") is the
sufficient condition for the consequent (the phrase following the "then") and the consequent is
the necessary condition for the antecedent.
Contra-positive - Answer a conditional statement derived from another by negating and
interchanging antecedent and consequent
, LSAT - Logical Reasoning With
Revision Questions And Answers 2025
Premise Indicators - Answer Because
Since
For
For example
For that reason that In that
Given that
As indicated by
Due to
Owing to
This can be seen from
We know this by
Conclusion Indicators - Answer Thus
Therefore
Hence
Consequently
As a result
So
Accordingly
Clearly
Must be that
Shows that
Conclude that
Follows that
For this reason
