Here I am providing Detailed notes on Syllogism AIEO Rule No Venn Diagram- Logical Syllogisms The problems based on syllogism are on two parts: 1. Proposition/ Propositions 2. Conclusion/ Conclusions drawn from given proposition WHAT IS A PROPOSITION ? a statement or assertion that expresses a judgement or opinion. A proposition is a sentence that makes a statement giving a relation between two terms. Parts of proposition: 1. Subject 2. Predicate TYPES OF PROPOSITIONS: 1. CATEGORICAL PROPOSITION The sentences which are condition free are called as categorical propositions. For example, “All cats are rats” “No cat is rat” “Some cats are rats” “Some cats are not rats” In other words a categorical proposition has no condition attached with it and makes direct assertion. Positive Negative Universal A All Cars are Rats E No Cars are Rats Particular I Some Cars are Rats O Some Cars are not Rats 2. NON-CATEGORICAL PROPO