Noun
The regular logical form of every argument, consisting of three propositions, of which the first two are called the premises, and the last, the conclusion. The conclusion necessarily follows from the premises; so that, if these are true, the conclusion must be true, and the argument amounts to demonstration
Source: Webster's dictionaryAn "enthymeme" would follow today's form of a syllogism; however it would exclude either the major or minor premise. Source: Internet
A third school of thought says that the any type of proposition may or may not involve the subject's existence, and though this may condition the conclusion, it does not affect the form of the syllogism. Source: Internet
Consequently, the propositions of a syllogism should be categorical propositions (both terms general) and syllogisms that employ only categorical terms came to be called categorical syllogisms. Source: Internet
Inclusive and exclusive disjunction Please observe that the disjunctive syllogism works whether 'or' is considered 'exclusive' or 'inclusive' disjunction. Source: Internet
Aristotle's theories on the syllogism for assertoric sentences was considered especially remarkable, with only small systematic changes occurring to the concept over time. Source: Internet
A syllogism ( Greek : συλλογισμός main syllogismos, "conclusion, inference") is a kind of logical argument that applies deductive reasoning to arrive at a conclusion based on two or more propositions that are asserted or assumed to be true. Source: Internet