Argument-Logic YouTube Lecture Handouts
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Argument-Logic YouTube Lecture Handouts
WHAT is ARGUMENT?
- Premise: Statement used as evidence for conclusion.
- Conclusion: Statement supported by atleast one premise.
- Argument: Atleast one premise accompanied with a conclusion.
Propositional Utterances
- Either true or false statement
- Door is Black
- Cherry is a cute baby.
- Sheenu is Cherry՚s Mother.
Non-Propositional Utterances
- Question – Who am I?
- Command – Do it!
- Expression – Three Cheers!
Identifying Premise & Conclusion
- Premise Indicator
(Conclusion) and (Premise)
- Sunita is not going to school since she is not well.
Premise Indicators
- Since
- For
- Because
- Given that
- For the reason that
- In view of the fact that
Identifying Premise & Conclusion
- Conclusion Indicator
(Premise) (Conclusion)
- Sunita studied a lot, therefore she secured good marks
- Sunita is not well so she is not going to the school.
Conclusion Indicators
- Therefore
- Thus
- Hence
- So
- Accordingly
- For this reason
- Consequently
- It follows that
JOINT INFERENCE
1 + 2 | ⇾ 3
1: Cup is made of china clay.
2: China clay is breakable.
3: Cup is made of breakable substance china clay.
INDEPENDENT INFERENCE
1 | ⇾ 3 and 2 | ⇾ 3
1: Pure gold is 24 carat.
2: Most jewelry is made of 22 carat pure gold.
3: Carat explains purity of gold.
✍ Mayank